Home / 3,481.38-5,222.34-1,140.48

Finding the Fourth Proportional to 3,481.38, 5,222.34 and 1,140.48

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Solution

The fourth proportional to 3,481.38, 5,222.34 and 1,140.48 is: 1,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.38 : 5,222.34 = 1,140.48 : x
  2. Step 2: Convert to fraction form
    3,481.38/5,222.34 = 1,140.48/x
  3. Step 3: Cross multiply
    3,481.38x = 5,222.34 × 1,140.48
  4. Step 4: Simplify right side
    3,481.38x = 5,955,974.32
  5. Step 5: Solve for x
    x = 5,955,974.32/3,481.38
  6. Step 6: Final answer
    x = 1,710.81

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1.5x scale

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.