Type the missing number that makes these fractions equal: 2/5 = 4/_

Answer 1

To find the missing number that makes the fractions equal, we can set up the equation:

\[ \frac{2}{5} = \frac{4}{x} \]

Now, we can cross-multiply to solve for \(x\):

\[ 2 \cdot x = 4 \cdot 5 \]

This simplifies to:

\[ 2x = 20 \]

Now, divide both sides by 2:

\[ x = 10 \]

Therefore, the missing number is 10.