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Finding the Fourth Proportional to 3,763.12, 5,193.12 and 2,084.64

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Solution

The fourth proportional to 3,763.12, 5,193.12 and 2,084.64 is: 2,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.12 : 5,193.12 = 2,084.64 : x
  2. Step 2: Convert to fraction form
    3,763.12/5,193.12 = 2,084.64/x
  3. Step 3: Cross multiply
    3,763.12x = 5,193.12 × 2,084.64
  4. Step 4: Simplify right side
    3,763.12x = 10,825,785.68
  5. Step 5: Solve for x
    x = 10,825,785.68/3,763.12
  6. Step 6: Final answer
    x = 2,876.81

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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.