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Finding the Fourth Proportional to 3,375.88, 4,656.94 and 2,747.11

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Solution

The fourth proportional to 3,375.88, 4,656.94 and 2,747.11 is: 3,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.88 : 4,656.94 = 2,747.11 : x
  2. Step 2: Convert to fraction form
    3,375.88/4,656.94 = 2,747.11/x
  3. Step 3: Cross multiply
    3,375.88x = 4,656.94 × 2,747.11
  4. Step 4: Simplify right side
    3,375.88x = 12,793,126.44
  5. Step 5: Solve for x
    x = 12,793,126.44/3,375.88
  6. Step 6: Final answer
    x = 3,789.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.