Home / 2,004.52-2,766.14-1,120.15

Finding the Fourth Proportional to 2,004.52, 2,766.14 and 1,120.15

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Solution

The fourth proportional to 2,004.52, 2,766.14 and 1,120.15 is: 1,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.52 : 2,766.14 = 1,120.15 : x
  2. Step 2: Convert to fraction form
    2,004.52/2,766.14 = 1,120.15/x
  3. Step 3: Cross multiply
    2,004.52x = 2,766.14 × 1,120.15
  4. Step 4: Simplify right side
    2,004.52x = 3,098,486.12
  5. Step 5: Solve for x
    x = 3,098,486.12/2,004.52
  6. Step 6: Final answer
    x = 1,545.75

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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.