Home / 3,189.92-4,400.34-2,350.76

Finding the Fourth Proportional to 3,189.92, 4,400.34 and 2,350.76

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Solution

The fourth proportional to 3,189.92, 4,400.34 and 2,350.76 is: 3,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.92 : 4,400.34 = 2,350.76 : x
  2. Step 2: Convert to fraction form
    3,189.92/4,400.34 = 2,350.76/x
  3. Step 3: Cross multiply
    3,189.92x = 4,400.34 × 2,350.76
  4. Step 4: Simplify right side
    3,189.92x = 10,344,143.26
  5. Step 5: Solve for x
    x = 10,344,143.26/3,189.92
  6. Step 6: Final answer
    x = 3,242.76

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Half scale
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Double scale
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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.