Home / 2,698.20-4,046.76-966.42

Finding the Fourth Proportional to 2,698.20, 4,046.76 and 966.42

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Solution

The fourth proportional to 2,698.20, 4,046.76 and 966.42 is: 1,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.20 : 4,046.76 = 966.42 : x
  2. Step 2: Convert to fraction form
    2,698.20/4,046.76 = 966.42/x
  3. Step 3: Cross multiply
    2,698.20x = 4,046.76 × 966.42
  4. Step 4: Simplify right side
    2,698.20x = 3,910,869.80
  5. Step 5: Solve for x
    x = 3,910,869.80/2,698.20
  6. Step 6: Final answer
    x = 1,449.44

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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.