Home / 3,620.97-5,432.66-1,156.14

Finding the Fourth Proportional to 3,620.97, 5,432.66 and 1,156.14

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Solution

The fourth proportional to 3,620.97, 5,432.66 and 1,156.14 is: 1,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.97 : 5,432.66 = 1,156.14 : x
  2. Step 2: Convert to fraction form
    3,620.97/5,432.66 = 1,156.14/x
  3. Step 3: Cross multiply
    3,620.97x = 5,432.66 × 1,156.14
  4. Step 4: Simplify right side
    3,620.97x = 6,280,915.53
  5. Step 5: Solve for x
    x = 6,280,915.53/3,620.97
  6. Step 6: Final answer
    x = 1,734.59

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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.