Home / 5,691.23-8,531.16-2,724.20

Finding the Fourth Proportional to 5,691.23, 8,531.16 and 2,724.20

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Solution

The fourth proportional to 5,691.23, 8,531.16 and 2,724.20 is: 4,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.23 : 8,531.16 = 2,724.20 : x
  2. Step 2: Convert to fraction form
    5,691.23/8,531.16 = 2,724.20/x
  3. Step 3: Cross multiply
    5,691.23x = 8,531.16 × 2,724.20
  4. Step 4: Simplify right side
    5,691.23x = 23,240,543.42
  5. Step 5: Solve for x
    x = 23,240,543.42/5,691.23
  6. Step 6: Final answer
    x = 4,083.57

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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.