Home / 5,183.78-7,147.97-3,502.27

Finding the Fourth Proportional to 5,183.78, 7,147.97 and 3,502.27

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Solution

The fourth proportional to 5,183.78, 7,147.97 and 3,502.27 is: 4,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.78 : 7,147.97 = 3,502.27 : x
  2. Step 2: Convert to fraction form
    5,183.78/7,147.97 = 3,502.27/x
  3. Step 3: Cross multiply
    5,183.78x = 7,147.97 × 3,502.27
  4. Step 4: Simplify right side
    5,183.78x = 25,034,120.89
  5. Step 5: Solve for x
    x = 25,034,120.89/5,183.78
  6. Step 6: Final answer
    x = 4,829.32

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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.