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Finding the Fourth Proportional to 3,927.51, 5,888.14 and 2,691.14

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Solution

The fourth proportional to 3,927.51, 5,888.14 and 2,691.14 is: 4,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.51 : 5,888.14 = 2,691.14 : x
  2. Step 2: Convert to fraction form
    3,927.51/5,888.14 = 2,691.14/x
  3. Step 3: Cross multiply
    3,927.51x = 5,888.14 × 2,691.14
  4. Step 4: Simplify right side
    3,927.51x = 15,845,772.91
  5. Step 5: Solve for x
    x = 15,845,772.91/3,927.51
  6. Step 6: Final answer
    x = 4,034.56

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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.