Home / 5,171.68-7,133.26-3,183.32

Finding the Fourth Proportional to 5,171.68, 7,133.26 and 3,183.32

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Solution

The fourth proportional to 5,171.68, 7,133.26 and 3,183.32 is: 4,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.68 : 7,133.26 = 3,183.32 : x
  2. Step 2: Convert to fraction form
    5,171.68/7,133.26 = 3,183.32/x
  3. Step 3: Cross multiply
    5,171.68x = 7,133.26 × 3,183.32
  4. Step 4: Simplify right side
    5,171.68x = 22,707,449.22
  5. Step 5: Solve for x
    x = 22,707,449.22/5,171.68
  6. Step 6: Final answer
    x = 4,390.73

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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.