Home / 6,167.79-8,511.51-3,515.15

Finding the Fourth Proportional to 6,167.79, 8,511.51 and 3,515.15

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Solution

The fourth proportional to 6,167.79, 8,511.51 and 3,515.15 is: 4,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.79 : 8,511.51 = 3,515.15 : x
  2. Step 2: Convert to fraction form
    6,167.79/8,511.51 = 3,515.15/x
  3. Step 3: Cross multiply
    6,167.79x = 8,511.51 × 3,515.15
  4. Step 4: Simplify right side
    6,167.79x = 29,919,191.82
  5. Step 5: Solve for x
    x = 29,919,191.82/6,167.79
  6. Step 6: Final answer
    x = 4,850.88

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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.