Home / 5,517.32-7,613.54-3,279.08

Finding the Fourth Proportional to 5,517.32, 7,613.54 and 3,279.08

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Solution

The fourth proportional to 5,517.32, 7,613.54 and 3,279.08 is: 4,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.32 : 7,613.54 = 3,279.08 : x
  2. Step 2: Convert to fraction form
    5,517.32/7,613.54 = 3,279.08/x
  3. Step 3: Cross multiply
    5,517.32x = 7,613.54 × 3,279.08
  4. Step 4: Simplify right side
    5,517.32x = 24,965,406.74
  5. Step 5: Solve for x
    x = 24,965,406.74/5,517.32
  6. Step 6: Final answer
    x = 4,524.92

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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.