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Finding the Fourth Proportional to 3,704.77, 5,113.21 and 2,133.77

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Solution

The fourth proportional to 3,704.77, 5,113.21 and 2,133.77 is: 2,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.77 : 5,113.21 = 2,133.77 : x
  2. Step 2: Convert to fraction form
    3,704.77/5,113.21 = 2,133.77/x
  3. Step 3: Cross multiply
    3,704.77x = 5,113.21 × 2,133.77
  4. Step 4: Simplify right side
    3,704.77x = 10,910,414.10
  5. Step 5: Solve for x
    x = 10,910,414.10/3,704.77
  6. Step 6: Final answer
    x = 2,944.97

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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.