Home / 5,550.24-8,324.28-2,086.80

Finding the Fourth Proportional to 5,550.24, 8,324.28 and 2,086.80

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Solution

The fourth proportional to 5,550.24, 8,324.28 and 2,086.80 is: 3,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.24 : 8,324.28 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    5,550.24/8,324.28 = 2,086.80/x
  3. Step 3: Cross multiply
    5,550.24x = 8,324.28 × 2,086.80
  4. Step 4: Simplify right side
    5,550.24x = 17,371,107.50
  5. Step 5: Solve for x
    x = 17,371,107.50/5,550.24
  6. Step 6: Final answer
    x = 3,129.79

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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.