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Finding the Fourth Proportional to 3,898.17, 5,850.90 and 2,797.38

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Solution

The fourth proportional to 3,898.17, 5,850.90 and 2,797.38 is: 4,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.17 : 5,850.90 = 2,797.38 : x
  2. Step 2: Convert to fraction form
    3,898.17/5,850.90 = 2,797.38/x
  3. Step 3: Cross multiply
    3,898.17x = 5,850.90 × 2,797.38
  4. Step 4: Simplify right side
    3,898.17x = 16,367,190.64
  5. Step 5: Solve for x
    x = 16,367,190.64/3,898.17
  6. Step 6: Final answer
    x = 4,198.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.