Home / 5,445.74-8,154.70-3,591.25

Finding the Fourth Proportional to 5,445.74, 8,154.70 and 3,591.25

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Solution

The fourth proportional to 5,445.74, 8,154.70 and 3,591.25 is: 5,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.74 : 8,154.70 = 3,591.25 : x
  2. Step 2: Convert to fraction form
    5,445.74/8,154.70 = 3,591.25/x
  3. Step 3: Cross multiply
    5,445.74x = 8,154.70 × 3,591.25
  4. Step 4: Simplify right side
    5,445.74x = 29,285,566.38
  5. Step 5: Solve for x
    x = 29,285,566.38/5,445.74
  6. Step 6: Final answer
    x = 5,377.70

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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.