Home / 5,441.22-8,161.82-3,591.90

Finding the Fourth Proportional to 5,441.22, 8,161.82 and 3,591.90

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Solution

The fourth proportional to 5,441.22, 8,161.82 and 3,591.90 is: 5,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.22 : 8,161.82 = 3,591.90 : x
  2. Step 2: Convert to fraction form
    5,441.22/8,161.82 = 3,591.90/x
  3. Step 3: Cross multiply
    5,441.22x = 8,161.82 × 3,591.90
  4. Step 4: Simplify right side
    5,441.22x = 29,316,456.97
  5. Step 5: Solve for x
    x = 29,316,456.97/5,441.22
  6. Step 6: Final answer
    x = 5,387.85

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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.