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Finding the Fourth Proportional to 3,739.96, 5,155.61 and 2,395.42

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Solution

The fourth proportional to 3,739.96, 5,155.61 and 2,395.42 is: 3,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.96 : 5,155.61 = 2,395.42 : x
  2. Step 2: Convert to fraction form
    3,739.96/5,155.61 = 2,395.42/x
  3. Step 3: Cross multiply
    3,739.96x = 5,155.61 × 2,395.42
  4. Step 4: Simplify right side
    3,739.96x = 12,349,851.31
  5. Step 5: Solve for x
    x = 12,349,851.31/3,739.96
  6. Step 6: Final answer
    x = 3,302.13

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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.