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Finding the Fourth Proportional to 5,799.70, 8,003.73 and 3,147.11

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Solution

The fourth proportional to 5,799.70, 8,003.73 and 3,147.11 is: 4,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.70 : 8,003.73 = 3,147.11 : x
  2. Step 2: Convert to fraction form
    5,799.70/8,003.73 = 3,147.11/x
  3. Step 3: Cross multiply
    5,799.70x = 8,003.73 × 3,147.11
  4. Step 4: Simplify right side
    5,799.70x = 25,188,590.50
  5. Step 5: Solve for x
    x = 25,188,590.50/5,799.70
  6. Step 6: Final answer
    x = 4,343.09

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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.