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Finding the Fourth Proportional to 3,798.58, 5,241.91 and 2,073.80

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Solution

The fourth proportional to 3,798.58, 5,241.91 and 2,073.80 is: 2,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.58 : 5,241.91 = 2,073.80 : x
  2. Step 2: Convert to fraction form
    3,798.58/5,241.91 = 2,073.80/x
  3. Step 3: Cross multiply
    3,798.58x = 5,241.91 × 2,073.80
  4. Step 4: Simplify right side
    3,798.58x = 10,870,672.96
  5. Step 5: Solve for x
    x = 10,870,672.96/3,798.58
  6. Step 6: Final answer
    x = 2,861.78

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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.