Home / 4,081.92-5,631.68-2,508.48

Finding the Fourth Proportional to 4,081.92, 5,631.68 and 2,508.48

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Solution

The fourth proportional to 4,081.92, 5,631.68 and 2,508.48 is: 3,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.92 : 5,631.68 = 2,508.48 : x
  2. Step 2: Convert to fraction form
    4,081.92/5,631.68 = 2,508.48/x
  3. Step 3: Cross multiply
    4,081.92x = 5,631.68 × 2,508.48
  4. Step 4: Simplify right side
    4,081.92x = 14,126,956.65
  5. Step 5: Solve for x
    x = 14,126,956.65/4,081.92
  6. Step 6: Final answer
    x = 3,460.86

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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.