Home / 5,687.12-8,531.87-2,400.26

Finding the Fourth Proportional to 5,687.12, 8,531.87 and 2,400.26

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Solution

The fourth proportional to 5,687.12, 8,531.87 and 2,400.26 is: 3,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.12 : 8,531.87 = 2,400.26 : x
  2. Step 2: Convert to fraction form
    5,687.12/8,531.87 = 2,400.26/x
  3. Step 3: Cross multiply
    5,687.12x = 8,531.87 × 2,400.26
  4. Step 4: Simplify right side
    5,687.12x = 20,478,651.63
  5. Step 5: Solve for x
    x = 20,478,651.63/5,687.12
  6. Step 6: Final answer
    x = 3,600.89

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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.