Home / 7,524.20-10,383.78-4,167.38

Finding the Fourth Proportional to 7,524.20, 10,383.78 and 4,167.38

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Solution

The fourth proportional to 7,524.20, 10,383.78 and 4,167.38 is: 5,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.20 : 10,383.78 = 4,167.38 : x
  2. Step 2: Convert to fraction form
    7,524.20/10,383.78 = 4,167.38/x
  3. Step 3: Cross multiply
    7,524.20x = 10,383.78 × 4,167.38
  4. Step 4: Simplify right side
    7,524.20x = 43,273,105.18
  5. Step 5: Solve for x
    x = 43,273,105.18/7,524.20
  6. Step 6: Final answer
    x = 5,751.19

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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.