Home / 10,291.79-15,437.57-2,500.61

Finding the Fourth Proportional to 10,291.79, 15,437.57 and 2,500.61

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Solution

The fourth proportional to 10,291.79, 15,437.57 and 2,500.61 is: 3,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.79 : 15,437.57 = 2,500.61 : x
  2. Step 2: Convert to fraction form
    10,291.79/15,437.57 = 2,500.61/x
  3. Step 3: Cross multiply
    10,291.79x = 15,437.57 × 2,500.61
  4. Step 4: Simplify right side
    10,291.79x = 38,603,252.23
  5. Step 5: Solve for x
    x = 38,603,252.23/10,291.79
  6. Step 6: Final answer
    x = 3,750.88

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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.