Home / 3,167.45-4,748.13-2,072.73

Finding the Fourth Proportional to 3,167.45, 4,748.13 and 2,072.73

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Solution

The fourth proportional to 3,167.45, 4,748.13 and 2,072.73 is: 3,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.45 : 4,748.13 = 2,072.73 : x
  2. Step 2: Convert to fraction form
    3,167.45/4,748.13 = 2,072.73/x
  3. Step 3: Cross multiply
    3,167.45x = 4,748.13 × 2,072.73
  4. Step 4: Simplify right side
    3,167.45x = 9,841,591.49
  5. Step 5: Solve for x
    x = 9,841,591.49/3,167.45
  6. Step 6: Final answer
    x = 3,107.11

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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.