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Finding the Fourth Proportional to 2,719.34, 3,752.79 and 1,540.34

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Solution

The fourth proportional to 2,719.34, 3,752.79 and 1,540.34 is: 2,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.34 : 3,752.79 = 1,540.34 : x
  2. Step 2: Convert to fraction form
    2,719.34/3,752.79 = 1,540.34/x
  3. Step 3: Cross multiply
    2,719.34x = 3,752.79 × 1,540.34
  4. Step 4: Simplify right side
    2,719.34x = 5,780,572.55
  5. Step 5: Solve for x
    x = 5,780,572.55/2,719.34
  6. Step 6: Final answer
    x = 2,125.73

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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.