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Finding the Fourth Proportional to 2,937.18, 4,052.88 and 1,758

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Solution

The fourth proportional to 2,937.18, 4,052.88 and 1,758 is: 2,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.18 : 4,052.88 = 1,758 : x
  2. Step 2: Convert to fraction form
    2,937.18/4,052.88 = 1,758/x
  3. Step 3: Cross multiply
    2,937.18x = 4,052.88 × 1,758
  4. Step 4: Simplify right side
    2,937.18x = 7,124,963.04
  5. Step 5: Solve for x
    x = 7,124,963.04/2,937.18
  6. Step 6: Final answer
    x = 2,425.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.