Home / 5,240.72-7,234.09-3,472.90

Finding the Fourth Proportional to 5,240.72, 7,234.09 and 3,472.90

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Solution

The fourth proportional to 5,240.72, 7,234.09 and 3,472.90 is: 4,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.72 : 7,234.09 = 3,472.90 : x
  2. Step 2: Convert to fraction form
    5,240.72/7,234.09 = 3,472.90/x
  3. Step 3: Cross multiply
    5,240.72x = 7,234.09 × 3,472.90
  4. Step 4: Simplify right side
    5,240.72x = 25,123,244.39
  5. Step 5: Solve for x
    x = 25,123,244.39/5,240.72
  6. Step 6: Final answer
    x = 4,793.85

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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.