Home / 3,823.71-5,277.20-2,331.59

Finding the Fourth Proportional to 3,823.71, 5,277.20 and 2,331.59

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Solution

The fourth proportional to 3,823.71, 5,277.20 and 2,331.59 is: 3,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.71 : 5,277.20 = 2,331.59 : x
  2. Step 2: Convert to fraction form
    3,823.71/5,277.20 = 2,331.59/x
  3. Step 3: Cross multiply
    3,823.71x = 5,277.20 × 2,331.59
  4. Step 4: Simplify right side
    3,823.71x = 12,304,241.82
  5. Step 5: Solve for x
    x = 12,304,241.82/3,823.71
  6. Step 6: Final answer
    x = 3,217.88

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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.