Home / 5,591.34-8,387.55-3,400.02

Finding the Fourth Proportional to 5,591.34, 8,387.55 and 3,400.02

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Solution

The fourth proportional to 5,591.34, 8,387.55 and 3,400.02 is: 5,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.34 : 8,387.55 = 3,400.02 : x
  2. Step 2: Convert to fraction form
    5,591.34/8,387.55 = 3,400.02/x
  3. Step 3: Cross multiply
    5,591.34x = 8,387.55 × 3,400.02
  4. Step 4: Simplify right side
    5,591.34x = 28,517,837.75
  5. Step 5: Solve for x
    x = 28,517,837.75/5,591.34
  6. Step 6: Final answer
    x = 5,100.36

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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.