Home / 7,031.32-10,553.36-3,747.20

Finding the Fourth Proportional to 7,031.32, 10,553.36 and 3,747.20

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Solution

The fourth proportional to 7,031.32, 10,553.36 and 3,747.20 is: 5,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.32 : 10,553.36 = 3,747.20 : x
  2. Step 2: Convert to fraction form
    7,031.32/10,553.36 = 3,747.20/x
  3. Step 3: Cross multiply
    7,031.32x = 10,553.36 × 3,747.20
  4. Step 4: Simplify right side
    7,031.32x = 39,545,550.59
  5. Step 5: Solve for x
    x = 39,545,550.59/7,031.32
  6. Step 6: Final answer
    x = 5,624.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.