Home / 3,712.77-5,591.04-2,680.05

Finding the Fourth Proportional to 3,712.77, 5,591.04 and 2,680.05

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Solution

The fourth proportional to 3,712.77, 5,591.04 and 2,680.05 is: 4,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.77 : 5,591.04 = 2,680.05 : x
  2. Step 2: Convert to fraction form
    3,712.77/5,591.04 = 2,680.05/x
  3. Step 3: Cross multiply
    3,712.77x = 5,591.04 × 2,680.05
  4. Step 4: Simplify right side
    3,712.77x = 14,984,266.75
  5. Step 5: Solve for x
    x = 14,984,266.75/3,712.77
  6. Step 6: Final answer
    x = 4,035.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.