Home / 2,179.26-3,269.28-794.54

Finding the Fourth Proportional to 2,179.26, 3,269.28 and 794.54

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Solution

The fourth proportional to 2,179.26, 3,269.28 and 794.54 is: 1,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.26 : 3,269.28 = 794.54 : x
  2. Step 2: Convert to fraction form
    2,179.26/3,269.28 = 794.54/x
  3. Step 3: Cross multiply
    2,179.26x = 3,269.28 × 794.54
  4. Step 4: Simplify right side
    2,179.26x = 2,597,575.72
  5. Step 5: Solve for x
    x = 2,597,575.72/2,179.26
  6. Step 6: Final answer
    x = 1,191.95

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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.