Home / 5,591.12-8,387.89-1,695.82

Finding the Fourth Proportional to 5,591.12, 8,387.89 and 1,695.82

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Solution

The fourth proportional to 5,591.12, 8,387.89 and 1,695.82 is: 2,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.12 : 8,387.89 = 1,695.82 : x
  2. Step 2: Convert to fraction form
    5,591.12/8,387.89 = 1,695.82/x
  3. Step 3: Cross multiply
    5,591.12x = 8,387.89 × 1,695.82
  4. Step 4: Simplify right side
    5,591.12x = 14,224,351.62
  5. Step 5: Solve for x
    x = 14,224,351.62/5,591.12
  6. Step 6: Final answer
    x = 2,544.10

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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.