Home / 3,882.83-5,359.20-2,370.91

Finding the Fourth Proportional to 3,882.83, 5,359.20 and 2,370.91

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Solution

The fourth proportional to 3,882.83, 5,359.20 and 2,370.91 is: 3,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.83 : 5,359.20 = 2,370.91 : x
  2. Step 2: Convert to fraction form
    3,882.83/5,359.20 = 2,370.91/x
  3. Step 3: Cross multiply
    3,882.83x = 5,359.20 × 2,370.91
  4. Step 4: Simplify right side
    3,882.83x = 12,706,154.08
  5. Step 5: Solve for x
    x = 12,706,154.08/3,882.83
  6. Step 6: Final answer
    x = 3,272.40

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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.