Home / 5,480.26-8,221.20-2,518.08

Finding the Fourth Proportional to 5,480.26, 8,221.20 and 2,518.08

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Solution

The fourth proportional to 5,480.26, 8,221.20 and 2,518.08 is: 3,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.26 : 8,221.20 = 2,518.08 : x
  2. Step 2: Convert to fraction form
    5,480.26/8,221.20 = 2,518.08/x
  3. Step 3: Cross multiply
    5,480.26x = 8,221.20 × 2,518.08
  4. Step 4: Simplify right side
    5,480.26x = 20,701,639.30
  5. Step 5: Solve for x
    x = 20,701,639.30/5,480.26
  6. Step 6: Final answer
    x = 3,777.49

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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.