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Finding the Fourth Proportional to 5,166.79, 7,751.21 and 2,046.21

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Solution

The fourth proportional to 5,166.79, 7,751.21 and 2,046.21 is: 3,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.79 : 7,751.21 = 2,046.21 : x
  2. Step 2: Convert to fraction form
    5,166.79/7,751.21 = 2,046.21/x
  3. Step 3: Cross multiply
    5,166.79x = 7,751.21 × 2,046.21
  4. Step 4: Simplify right side
    5,166.79x = 15,860,610.59
  5. Step 5: Solve for x
    x = 15,860,610.59/5,166.79
  6. Step 6: Final answer
    x = 3,069.72

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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.