Home / 6,891.11-10,330.82-2,734.05

Finding the Fourth Proportional to 6,891.11, 10,330.82 and 2,734.05

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Solution

The fourth proportional to 6,891.11, 10,330.82 and 2,734.05 is: 4,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.11 : 10,330.82 = 2,734.05 : x
  2. Step 2: Convert to fraction form
    6,891.11/10,330.82 = 2,734.05/x
  3. Step 3: Cross multiply
    6,891.11x = 10,330.82 × 2,734.05
  4. Step 4: Simplify right side
    6,891.11x = 28,244,978.42
  5. Step 5: Solve for x
    x = 28,244,978.42/6,891.11
  6. Step 6: Final answer
    x = 4,098.76

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Why These Related Problems?

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