Home / 5,691.24-8,531.02-2,180.43

Finding the Fourth Proportional to 5,691.24, 8,531.02 and 2,180.43

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Solution

The fourth proportional to 5,691.24, 8,531.02 and 2,180.43 is: 3,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.24 : 8,531.02 = 2,180.43 : x
  2. Step 2: Convert to fraction form
    5,691.24/8,531.02 = 2,180.43/x
  3. Step 3: Cross multiply
    5,691.24x = 8,531.02 × 2,180.43
  4. Step 4: Simplify right side
    5,691.24x = 18,601,291.94
  5. Step 5: Solve for x
    x = 18,601,291.94/5,691.24
  6. Step 6: Final answer
    x = 3,268.41

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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.