Home / 7,687.73-11,531.57-2,423.18

Finding the Fourth Proportional to 7,687.73, 11,531.57 and 2,423.18

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Solution

The fourth proportional to 7,687.73, 11,531.57 and 2,423.18 is: 3,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.73 : 11,531.57 = 2,423.18 : x
  2. Step 2: Convert to fraction form
    7,687.73/11,531.57 = 2,423.18/x
  3. Step 3: Cross multiply
    7,687.73x = 11,531.57 × 2,423.18
  4. Step 4: Simplify right side
    7,687.73x = 27,943,000.02
  5. Step 5: Solve for x
    x = 27,943,000.02/7,687.73
  6. Step 6: Final answer
    x = 3,634.76

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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.