Home / 2,492.25-3,439.31-2,306.76

Finding the Fourth Proportional to 2,492.25, 3,439.31 and 2,306.76

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Solution

The fourth proportional to 2,492.25, 3,439.31 and 2,306.76 is: 3,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.25 : 3,439.31 = 2,306.76 : x
  2. Step 2: Convert to fraction form
    2,492.25/3,439.31 = 2,306.76/x
  3. Step 3: Cross multiply
    2,492.25x = 3,439.31 × 2,306.76
  4. Step 4: Simplify right side
    2,492.25x = 7,933,651.20
  5. Step 5: Solve for x
    x = 7,933,651.20/2,492.25
  6. Step 6: Final answer
    x = 3,183.33

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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.