Home / 5,176.44-7,144.68-3,160.54

Finding the Fourth Proportional to 5,176.44, 7,144.68 and 3,160.54

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Solution

The fourth proportional to 5,176.44, 7,144.68 and 3,160.54 is: 4,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.44 : 7,144.68 = 3,160.54 : x
  2. Step 2: Convert to fraction form
    5,176.44/7,144.68 = 3,160.54/x
  3. Step 3: Cross multiply
    5,176.44x = 7,144.68 × 3,160.54
  4. Step 4: Simplify right side
    5,176.44x = 22,581,046.93
  5. Step 5: Solve for x
    x = 22,581,046.93/5,176.44
  6. Step 6: Final answer
    x = 4,362.27

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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.