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Finding the Fourth Proportional to 3,481.03, 4,795.70 and 2,847.87

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Solution

The fourth proportional to 3,481.03, 4,795.70 and 2,847.87 is: 3,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.03 : 4,795.70 = 2,847.87 : x
  2. Step 2: Convert to fraction form
    3,481.03/4,795.70 = 2,847.87/x
  3. Step 3: Cross multiply
    3,481.03x = 4,795.70 × 2,847.87
  4. Step 4: Simplify right side
    3,481.03x = 13,657,505.38
  5. Step 5: Solve for x
    x = 13,657,505.38/3,481.03
  6. Step 6: Final answer
    x = 3,923.41

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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.