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Finding the Fourth Proportional to 5,859.14, 8,080.29 and 3,868.97

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Solution

The fourth proportional to 5,859.14, 8,080.29 and 3,868.97 is: 5,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.14 : 8,080.29 = 3,868.97 : x
  2. Step 2: Convert to fraction form
    5,859.14/8,080.29 = 3,868.97/x
  3. Step 3: Cross multiply
    5,859.14x = 8,080.29 × 3,868.97
  4. Step 4: Simplify right side
    5,859.14x = 31,262,359.20
  5. Step 5: Solve for x
    x = 31,262,359.20/5,859.14
  6. Step 6: Final answer
    x = 5,335.66

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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.