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Finding the Fourth Proportional to 3,813.39, 5,719.37 and 1,732.86

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Solution

The fourth proportional to 3,813.39, 5,719.37 and 1,732.86 is: 2,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.39 : 5,719.37 = 1,732.86 : x
  2. Step 2: Convert to fraction form
    3,813.39/5,719.37 = 1,732.86/x
  3. Step 3: Cross multiply
    3,813.39x = 5,719.37 × 1,732.86
  4. Step 4: Simplify right side
    3,813.39x = 9,910,858.83
  5. Step 5: Solve for x
    x = 9,910,858.83/3,813.39
  6. Step 6: Final answer
    x = 2,598.96

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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.