Home / 7,534.89-10,398.17-4,177.85

Finding the Fourth Proportional to 7,534.89, 10,398.17 and 4,177.85

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Solution

The fourth proportional to 7,534.89, 10,398.17 and 4,177.85 is: 5,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.89 : 10,398.17 = 4,177.85 : x
  2. Step 2: Convert to fraction form
    7,534.89/10,398.17 = 4,177.85/x
  3. Step 3: Cross multiply
    7,534.89x = 10,398.17 × 4,177.85
  4. Step 4: Simplify right side
    7,534.89x = 43,441,921.65
  5. Step 5: Solve for x
    x = 43,441,921.65/7,534.89
  6. Step 6: Final answer
    x = 5,765.44

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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.