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Finding the Fourth Proportional to 3,793.44, 5,235.62 and 2,199.86

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Solution

The fourth proportional to 3,793.44, 5,235.62 and 2,199.86 is: 3,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.44 : 5,235.62 = 2,199.86 : x
  2. Step 2: Convert to fraction form
    3,793.44/5,235.62 = 2,199.86/x
  3. Step 3: Cross multiply
    3,793.44x = 5,235.62 × 2,199.86
  4. Step 4: Simplify right side
    3,793.44x = 11,517,631.01
  5. Step 5: Solve for x
    x = 11,517,631.01/3,793.44
  6. Step 6: Final answer
    x = 3,036.20

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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.