Home / 7,552.20-11,332.72-3,169.28

Finding the Fourth Proportional to 7,552.20, 11,332.72 and 3,169.28

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Solution

The fourth proportional to 7,552.20, 11,332.72 and 3,169.28 is: 4,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.20 : 11,332.72 = 3,169.28 : x
  2. Step 2: Convert to fraction form
    7,552.20/11,332.72 = 3,169.28/x
  3. Step 3: Cross multiply
    7,552.20x = 11,332.72 × 3,169.28
  4. Step 4: Simplify right side
    7,552.20x = 35,916,562.84
  5. Step 5: Solve for x
    x = 35,916,562.84/7,552.20
  6. Step 6: Final answer
    x = 4,755.77

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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.