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Finding the Fourth Proportional to 3,813.88, 5,719.46 and 1,732.14

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Solution

The fourth proportional to 3,813.88, 5,719.46 and 1,732.14 is: 2,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.88 : 5,719.46 = 1,732.14 : x
  2. Step 2: Convert to fraction form
    3,813.88/5,719.46 = 1,732.14/x
  3. Step 3: Cross multiply
    3,813.88x = 5,719.46 × 1,732.14
  4. Step 4: Simplify right side
    3,813.88x = 9,906,905.44
  5. Step 5: Solve for x
    x = 9,906,905.44/3,813.88
  6. Step 6: Final answer
    x = 2,597.59

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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.