Home / 3,761.34-5,642.97-2,372.90

Finding the Fourth Proportional to 3,761.34, 5,642.97 and 2,372.90

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Solution

The fourth proportional to 3,761.34, 5,642.97 and 2,372.90 is: 3,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.34 : 5,642.97 = 2,372.90 : x
  2. Step 2: Convert to fraction form
    3,761.34/5,642.97 = 2,372.90/x
  3. Step 3: Cross multiply
    3,761.34x = 5,642.97 × 2,372.90
  4. Step 4: Simplify right side
    3,761.34x = 13,390,166.40
  5. Step 5: Solve for x
    x = 13,390,166.40/3,761.34
  6. Step 6: Final answer
    x = 3,559.95

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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.