Home / 2,477.28-3,419.10-1,691.04

Finding the Fourth Proportional to 2,477.28, 3,419.10 and 1,691.04

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Solution

The fourth proportional to 2,477.28, 3,419.10 and 1,691.04 is: 2,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.28 : 3,419.10 = 1,691.04 : x
  2. Step 2: Convert to fraction form
    2,477.28/3,419.10 = 1,691.04/x
  3. Step 3: Cross multiply
    2,477.28x = 3,419.10 × 1,691.04
  4. Step 4: Simplify right side
    2,477.28x = 5,781,834.86
  5. Step 5: Solve for x
    x = 5,781,834.86/2,477.28
  6. Step 6: Final answer
    x = 2,333.94

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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.