Home / 3,833.28-5,749.80-1,236.12

Finding the Fourth Proportional to 3,833.28, 5,749.80 and 1,236.12

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Solution

The fourth proportional to 3,833.28, 5,749.80 and 1,236.12 is: 1,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.28 : 5,749.80 = 1,236.12 : x
  2. Step 2: Convert to fraction form
    3,833.28/5,749.80 = 1,236.12/x
  3. Step 3: Cross multiply
    3,833.28x = 5,749.80 × 1,236.12
  4. Step 4: Simplify right side
    3,833.28x = 7,107,442.78
  5. Step 5: Solve for x
    x = 7,107,442.78/3,833.28
  6. Step 6: Final answer
    x = 1,854.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.