Home / 5,205.33-7,183.17-3,109.05

Finding the Fourth Proportional to 5,205.33, 7,183.17 and 3,109.05

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Solution

The fourth proportional to 5,205.33, 7,183.17 and 3,109.05 is: 4,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.33 : 7,183.17 = 3,109.05 : x
  2. Step 2: Convert to fraction form
    5,205.33/7,183.17 = 3,109.05/x
  3. Step 3: Cross multiply
    5,205.33x = 7,183.17 × 3,109.05
  4. Step 4: Simplify right side
    5,205.33x = 22,332,834.69
  5. Step 5: Solve for x
    x = 22,332,834.69/5,205.33
  6. Step 6: Final answer
    x = 4,290.38

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Half scale
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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.