Question

find the value of x if 7:5::x:25

Answer 1

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Answer 2

To find : the value of $x$

Given ratio : $7: 5:: x: 25$

Solution :

• As we can see that in the given ratio of proportion third ratio is missing.

• To find third ratio we can write $7: 5:: x: 25$  as, $\frac{7}{5}=\frac{x}{25}$

• transposing like terms we get,

      $\Rightarrow \quad x=\frac{7 \times 25}{5}$

• On simplifying we get,

      $\begin{array}{l}\Rightarrow x=7\times 5 \\\Rightarrow x=35\end{array}$

Hence, value of $x$ is $35$ .