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Finding the Fourth Proportional to 2,754.92, 4,127.17 and 2,135.59

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Solution

The fourth proportional to 2,754.92, 4,127.17 and 2,135.59 is: 3,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.92 : 4,127.17 = 2,135.59 : x
  2. Step 2: Convert to fraction form
    2,754.92/4,127.17 = 2,135.59/x
  3. Step 3: Cross multiply
    2,754.92x = 4,127.17 × 2,135.59
  4. Step 4: Simplify right side
    2,754.92x = 8,813,942.94
  5. Step 5: Solve for x
    x = 8,813,942.94/2,754.92
  6. Step 6: Final answer
    x = 3,199.35

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1.5x scale

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.