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Finding the Fourth Proportional to 2,757.97, 4,133.96 and 1,372.34

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Solution

The fourth proportional to 2,757.97, 4,133.96 and 1,372.34 is: 2,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.97 : 4,133.96 = 1,372.34 : x
  2. Step 2: Convert to fraction form
    2,757.97/4,133.96 = 1,372.34/x
  3. Step 3: Cross multiply
    2,757.97x = 4,133.96 × 1,372.34
  4. Step 4: Simplify right side
    2,757.97x = 5,673,211.15
  5. Step 5: Solve for x
    x = 5,673,211.15/2,757.97
  6. Step 6: Final answer
    x = 2,057.02

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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.