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Finding the Fourth Proportional to 5,799.74, 8,003.61 and 3,147.08

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Solution

The fourth proportional to 5,799.74, 8,003.61 and 3,147.08 is: 4,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.74 : 8,003.61 = 3,147.08 : x
  2. Step 2: Convert to fraction form
    5,799.74/8,003.61 = 3,147.08/x
  3. Step 3: Cross multiply
    5,799.74x = 8,003.61 × 3,147.08
  4. Step 4: Simplify right side
    5,799.74x = 25,187,960.94
  5. Step 5: Solve for x
    x = 25,187,960.94/5,799.74
  6. Step 6: Final answer
    x = 4,342.95

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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.