Home / 5,079.92-7,612.74-2,408.68

Finding the Fourth Proportional to 5,079.92, 7,612.74 and 2,408.68

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Solution

The fourth proportional to 5,079.92, 7,612.74 and 2,408.68 is: 3,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.92 : 7,612.74 = 2,408.68 : x
  2. Step 2: Convert to fraction form
    5,079.92/7,612.74 = 2,408.68/x
  3. Step 3: Cross multiply
    5,079.92x = 7,612.74 × 2,408.68
  4. Step 4: Simplify right side
    5,079.92x = 18,336,654.58
  5. Step 5: Solve for x
    x = 18,336,654.58/5,079.92
  6. Step 6: Final answer
    x = 3,609.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.