Home / 5,279.92-7,286.52-3,184

Finding the Fourth Proportional to 5,279.92, 7,286.52 and 3,184

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Solution

The fourth proportional to 5,279.92, 7,286.52 and 3,184 is: 4,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.92 : 7,286.52 = 3,184 : x
  2. Step 2: Convert to fraction form
    5,279.92/7,286.52 = 3,184/x
  3. Step 3: Cross multiply
    5,279.92x = 7,286.52 × 3,184
  4. Step 4: Simplify right side
    5,279.92x = 23,200,279.68
  5. Step 5: Solve for x
    x = 23,200,279.68/5,279.92
  6. Step 6: Final answer
    x = 4,394.06

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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.