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Question

Find the missing number in this proportion.


7 2
Division Line = Division Line
4

Answer 1

To find the missing number in the proportion \( \frac{7}{2} = \frac{4}{x} \), you can cross-multiply:

\[ 7 \cdot x = 2 \cdot 4 \]

This simplifies to:

\[ 7x = 8 \]

Now divide both sides by 7:

\[ x = \frac{8}{7} \]

So the missing number is:

8/7