Home / 6,951.43-10,422.28-3,486.79

Finding the Fourth Proportional to 6,951.43, 10,422.28 and 3,486.79

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Solution

The fourth proportional to 6,951.43, 10,422.28 and 3,486.79 is: 5,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.43 : 10,422.28 = 3,486.79 : x
  2. Step 2: Convert to fraction form
    6,951.43/10,422.28 = 3,486.79/x
  3. Step 3: Cross multiply
    6,951.43x = 10,422.28 × 3,486.79
  4. Step 4: Simplify right side
    6,951.43x = 36,340,301.68
  5. Step 5: Solve for x
    x = 36,340,301.68/6,951.43
  6. Step 6: Final answer
    x = 5,227.74

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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.