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Finding the Fourth Proportional to 5,891.90, 8,842.98 and 3,120.56

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Solution

The fourth proportional to 5,891.90, 8,842.98 and 3,120.56 is: 4,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.90 : 8,842.98 = 3,120.56 : x
  2. Step 2: Convert to fraction form
    5,891.90/8,842.98 = 3,120.56/x
  3. Step 3: Cross multiply
    5,891.90x = 8,842.98 × 3,120.56
  4. Step 4: Simplify right side
    5,891.90x = 27,595,049.67
  5. Step 5: Solve for x
    x = 27,595,049.67/5,891.90
  6. Step 6: Final answer
    x = 4,683.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.