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Finding the Fourth Proportional to 3,998.44, 5,520.36 and 2,741.59

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Solution

The fourth proportional to 3,998.44, 5,520.36 and 2,741.59 is: 3,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.44 : 5,520.36 = 2,741.59 : x
  2. Step 2: Convert to fraction form
    3,998.44/5,520.36 = 2,741.59/x
  3. Step 3: Cross multiply
    3,998.44x = 5,520.36 × 2,741.59
  4. Step 4: Simplify right side
    3,998.44x = 15,134,563.77
  5. Step 5: Solve for x
    x = 15,134,563.77/3,998.44
  6. Step 6: Final answer
    x = 3,785.12

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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.