Home / 5,727.98-7,908.42-4,399.31

Finding the Fourth Proportional to 5,727.98, 7,908.42 and 4,399.31

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Solution

The fourth proportional to 5,727.98, 7,908.42 and 4,399.31 is: 6,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.98 : 7,908.42 = 4,399.31 : x
  2. Step 2: Convert to fraction form
    5,727.98/7,908.42 = 4,399.31/x
  3. Step 3: Cross multiply
    5,727.98x = 7,908.42 × 4,399.31
  4. Step 4: Simplify right side
    5,727.98x = 34,791,591.19
  5. Step 5: Solve for x
    x = 34,791,591.19/5,727.98
  6. Step 6: Final answer
    x = 6,073.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.