Home / 2,760.17-4,140.45-2,103.12

Finding the Fourth Proportional to 2,760.17, 4,140.45 and 2,103.12

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Solution

The fourth proportional to 2,760.17, 4,140.45 and 2,103.12 is: 3,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.17 : 4,140.45 = 2,103.12 : x
  2. Step 2: Convert to fraction form
    2,760.17/4,140.45 = 2,103.12/x
  3. Step 3: Cross multiply
    2,760.17x = 4,140.45 × 2,103.12
  4. Step 4: Simplify right side
    2,760.17x = 8,707,863.20
  5. Step 5: Solve for x
    x = 8,707,863.20/2,760.17
  6. Step 6: Final answer
    x = 3,154.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.