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Finding the Fourth Proportional to 3,788.92, 5,684.15 and 1,597.65

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Solution

The fourth proportional to 3,788.92, 5,684.15 and 1,597.65 is: 2,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.92 : 5,684.15 = 1,597.65 : x
  2. Step 2: Convert to fraction form
    3,788.92/5,684.15 = 1,597.65/x
  3. Step 3: Cross multiply
    3,788.92x = 5,684.15 × 1,597.65
  4. Step 4: Simplify right side
    3,788.92x = 9,081,286.24
  5. Step 5: Solve for x
    x = 9,081,286.24/3,788.92
  6. Step 6: Final answer
    x = 2,396.80

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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.