Home / 5,749.38-7,934.19-3,231.33

Finding the Fourth Proportional to 5,749.38, 7,934.19 and 3,231.33

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Solution

The fourth proportional to 5,749.38, 7,934.19 and 3,231.33 is: 4,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.38 : 7,934.19 = 3,231.33 : x
  2. Step 2: Convert to fraction form
    5,749.38/7,934.19 = 3,231.33/x
  3. Step 3: Cross multiply
    5,749.38x = 7,934.19 × 3,231.33
  4. Step 4: Simplify right side
    5,749.38x = 25,637,944.30
  5. Step 5: Solve for x
    x = 25,637,944.30/5,749.38
  6. Step 6: Final answer
    x = 4,459.25

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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.