Home / 5,500.08-8,249.68-2,688.04

Finding the Fourth Proportional to 5,500.08, 8,249.68 and 2,688.04

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Solution

The fourth proportional to 5,500.08, 8,249.68 and 2,688.04 is: 4,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.08 : 8,249.68 = 2,688.04 : x
  2. Step 2: Convert to fraction form
    5,500.08/8,249.68 = 2,688.04/x
  3. Step 3: Cross multiply
    5,500.08x = 8,249.68 × 2,688.04
  4. Step 4: Simplify right side
    5,500.08x = 22,175,469.83
  5. Step 5: Solve for x
    x = 22,175,469.83/5,500.08
  6. Step 6: Final answer
    x = 4,031.84

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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.