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Finding the Fourth Proportional to 3,794.72, 5,236.54 and 2,799.64

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Solution

The fourth proportional to 3,794.72, 5,236.54 and 2,799.64 is: 3,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.72 : 5,236.54 = 2,799.64 : x
  2. Step 2: Convert to fraction form
    3,794.72/5,236.54 = 2,799.64/x
  3. Step 3: Cross multiply
    3,794.72x = 5,236.54 × 2,799.64
  4. Step 4: Simplify right side
    3,794.72x = 14,660,426.85
  5. Step 5: Solve for x
    x = 14,660,426.85/3,794.72
  6. Step 6: Final answer
    x = 3,863.38

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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.