Home / 5,177.57-7,144.04-3,581.73

Finding the Fourth Proportional to 5,177.57, 7,144.04 and 3,581.73

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Solution

The fourth proportional to 5,177.57, 7,144.04 and 3,581.73 is: 4,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.57 : 7,144.04 = 3,581.73 : x
  2. Step 2: Convert to fraction form
    5,177.57/7,144.04 = 3,581.73/x
  3. Step 3: Cross multiply
    5,177.57x = 7,144.04 × 3,581.73
  4. Step 4: Simplify right side
    5,177.57x = 25,588,004.48
  5. Step 5: Solve for x
    x = 25,588,004.48/5,177.57
  6. Step 6: Final answer
    x = 4,942.09

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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.