Home / 5,183.11-7,152.78-2,825.38

Finding the Fourth Proportional to 5,183.11, 7,152.78 and 2,825.38

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Solution

The fourth proportional to 5,183.11, 7,152.78 and 2,825.38 is: 3,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.11 : 7,152.78 = 2,825.38 : x
  2. Step 2: Convert to fraction form
    5,183.11/7,152.78 = 2,825.38/x
  3. Step 3: Cross multiply
    5,183.11x = 7,152.78 × 2,825.38
  4. Step 4: Simplify right side
    5,183.11x = 20,209,321.56
  5. Step 5: Solve for x
    x = 20,209,321.56/5,183.11
  6. Step 6: Final answer
    x = 3,899.07

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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.