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Finding the Fourth Proportional to 2,757.86, 3,805.91 and 1,498.97

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Solution

The fourth proportional to 2,757.86, 3,805.91 and 1,498.97 is: 2,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.86 : 3,805.91 = 1,498.97 : x
  2. Step 2: Convert to fraction form
    2,757.86/3,805.91 = 1,498.97/x
  3. Step 3: Cross multiply
    2,757.86x = 3,805.91 × 1,498.97
  4. Step 4: Simplify right side
    2,757.86x = 5,704,958.17
  5. Step 5: Solve for x
    x = 5,704,958.17/2,757.86
  6. Step 6: Final answer
    x = 2,068.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.