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Finding the Fourth Proportional to 2,697.90, 3,722.46 and 1,518.96

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Solution

The fourth proportional to 2,697.90, 3,722.46 and 1,518.96 is: 2,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.90 : 3,722.46 = 1,518.96 : x
  2. Step 2: Convert to fraction form
    2,697.90/3,722.46 = 1,518.96/x
  3. Step 3: Cross multiply
    2,697.90x = 3,722.46 × 1,518.96
  4. Step 4: Simplify right side
    2,697.90x = 5,654,276.10
  5. Step 5: Solve for x
    x = 5,654,276.10/2,697.90
  6. Step 6: Final answer
    x = 2,095.81

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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.