Home / 5,472.90-7,553.39-3,115.26

Finding the Fourth Proportional to 5,472.90, 7,553.39 and 3,115.26

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Solution

The fourth proportional to 5,472.90, 7,553.39 and 3,115.26 is: 4,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.90 : 7,553.39 = 3,115.26 : x
  2. Step 2: Convert to fraction form
    5,472.90/7,553.39 = 3,115.26/x
  3. Step 3: Cross multiply
    5,472.90x = 7,553.39 × 3,115.26
  4. Step 4: Simplify right side
    5,472.90x = 23,530,758.16
  5. Step 5: Solve for x
    x = 23,530,758.16/5,472.90
  6. Step 6: Final answer
    x = 4,299.50

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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.