Home / 3,799.20-5,242.98-2,306.88

Finding the Fourth Proportional to 3,799.20, 5,242.98 and 2,306.88

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Solution

The fourth proportional to 3,799.20, 5,242.98 and 2,306.88 is: 3,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.20 : 5,242.98 = 2,306.88 : x
  2. Step 2: Convert to fraction form
    3,799.20/5,242.98 = 2,306.88/x
  3. Step 3: Cross multiply
    3,799.20x = 5,242.98 × 2,306.88
  4. Step 4: Simplify right side
    3,799.20x = 12,094,925.70
  5. Step 5: Solve for x
    x = 12,094,925.70/3,799.20
  6. Step 6: Final answer
    x = 3,183.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.