Home / 3,897.72-5,840.51-2,432.43

Finding the Fourth Proportional to 3,897.72, 5,840.51 and 2,432.43

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Solution

The fourth proportional to 3,897.72, 5,840.51 and 2,432.43 is: 3,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.72 : 5,840.51 = 2,432.43 : x
  2. Step 2: Convert to fraction form
    3,897.72/5,840.51 = 2,432.43/x
  3. Step 3: Cross multiply
    3,897.72x = 5,840.51 × 2,432.43
  4. Step 4: Simplify right side
    3,897.72x = 14,206,619.58
  5. Step 5: Solve for x
    x = 14,206,619.58/3,897.72
  6. Step 6: Final answer
    x = 3,644.85

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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.