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Finding the Fourth Proportional to 2,108.52, 3,164.40 and 793.62

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Solution

The fourth proportional to 2,108.52, 3,164.40 and 793.62 is: 1,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.52 : 3,164.40 = 793.62 : x
  2. Step 2: Convert to fraction form
    2,108.52/3,164.40 = 793.62/x
  3. Step 3: Cross multiply
    2,108.52x = 3,164.40 × 793.62
  4. Step 4: Simplify right side
    2,108.52x = 2,511,331.13
  5. Step 5: Solve for x
    x = 2,511,331.13/2,108.52
  6. Step 6: Final answer
    x = 1,191.04

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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.