How do you solve the given equation $\dfrac{x}{4}=\dfrac{3}{2}$?
Answer
630.9k+ views
Hint: We start solving the problem by recalling the fact that if $\dfrac{a}{b}=\dfrac{c}{d}$, then $a\times d=b\times c$. We use this fact for the given equation to proceed through the problem. We then make the necessary calculations which includes multiplication and division operations to get the required value of x.
Complete step by step answer:
According to the problem, we are asked to solve the given equation $\dfrac{x}{4}=\dfrac{3}{2}$.
We have given the equation $\dfrac{x}{4}=\dfrac{3}{2}$ ---(1).
We know that if $\dfrac{a}{b}=\dfrac{c}{d}$, then $a\times d=b\times c$. Let us use this result in equation (1).
$\Rightarrow 2\times x=3\times 4$.
$\Rightarrow 2x=12$.
$\Rightarrow x=\dfrac{12}{2}$.
$\Rightarrow x=6$.
So, we have found the solution of the given equation $\dfrac{x}{4}=\dfrac{3}{2}$ (i.e., the value of x) as 6.
$\therefore $ The solution of the given equation $\dfrac{x}{4}=\dfrac{3}{2}$ (i.e., the value of x) as 6.
Note:
We should not make calculation mistakes while solving this problem. We should keep in mind that the proportion should be similar on both sides of the given equation while solving this type of problem. We can also solve the given problem as shown below:
We have given the equation $\dfrac{x}{4}=\dfrac{3}{2}$ ---(2).
Let us multiply the numerator and denominator in the R.H.S (Right Hand Side) of the equation (2) with 2.
$\Rightarrow \dfrac{x}{4}=\dfrac{3}{2}\times \dfrac{2}{2}$.
$\Rightarrow \dfrac{x}{4}=\dfrac{6}{4}$ ---(3).
We can see that the denominator is the same on both sides of the equation (3). So, the value of the numerator in L.H.S must be equal to 6 in order to attain equality.
So, we have $x=6$.
Complete step by step answer:
According to the problem, we are asked to solve the given equation $\dfrac{x}{4}=\dfrac{3}{2}$.
We have given the equation $\dfrac{x}{4}=\dfrac{3}{2}$ ---(1).
We know that if $\dfrac{a}{b}=\dfrac{c}{d}$, then $a\times d=b\times c$. Let us use this result in equation (1).
$\Rightarrow 2\times x=3\times 4$.
$\Rightarrow 2x=12$.
$\Rightarrow x=\dfrac{12}{2}$.
$\Rightarrow x=6$.
So, we have found the solution of the given equation $\dfrac{x}{4}=\dfrac{3}{2}$ (i.e., the value of x) as 6.
$\therefore $ The solution of the given equation $\dfrac{x}{4}=\dfrac{3}{2}$ (i.e., the value of x) as 6.
Note:
We should not make calculation mistakes while solving this problem. We should keep in mind that the proportion should be similar on both sides of the given equation while solving this type of problem. We can also solve the given problem as shown below:
We have given the equation $\dfrac{x}{4}=\dfrac{3}{2}$ ---(2).
Let us multiply the numerator and denominator in the R.H.S (Right Hand Side) of the equation (2) with 2.
$\Rightarrow \dfrac{x}{4}=\dfrac{3}{2}\times \dfrac{2}{2}$.
$\Rightarrow \dfrac{x}{4}=\dfrac{6}{4}$ ---(3).
We can see that the denominator is the same on both sides of the equation (3). So, the value of the numerator in L.H.S must be equal to 6 in order to attain equality.
So, we have $x=6$.
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