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Finding the Fourth Proportional to 5,375.84, 7,414.94 and 3,694.28

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Solution

The fourth proportional to 5,375.84, 7,414.94 and 3,694.28 is: 5,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.84 : 7,414.94 = 3,694.28 : x
  2. Step 2: Convert to fraction form
    5,375.84/7,414.94 = 3,694.28/x
  3. Step 3: Cross multiply
    5,375.84x = 7,414.94 × 3,694.28
  4. Step 4: Simplify right side
    5,375.84x = 27,392,836.70
  5. Step 5: Solve for x
    x = 27,392,836.70/5,375.84
  6. Step 6: Final answer
    x = 5,095.55

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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.