Home / 5,926.80-8,179.97-4,515.15

Finding the Fourth Proportional to 5,926.80, 8,179.97 and 4,515.15

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Solution

The fourth proportional to 5,926.80, 8,179.97 and 4,515.15 is: 6,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.80 : 8,179.97 = 4,515.15 : x
  2. Step 2: Convert to fraction form
    5,926.80/8,179.97 = 4,515.15/x
  3. Step 3: Cross multiply
    5,926.80x = 8,179.97 × 4,515.15
  4. Step 4: Simplify right side
    5,926.80x = 36,933,768.97
  5. Step 5: Solve for x
    x = 36,933,768.97/5,926.80
  6. Step 6: Final answer
    x = 6,231.65

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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.