Home / 3,372.12-5,057.76-1,424.07

Finding the Fourth Proportional to 3,372.12, 5,057.76 and 1,424.07

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Solution

The fourth proportional to 3,372.12, 5,057.76 and 1,424.07 is: 2,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.12 : 5,057.76 = 1,424.07 : x
  2. Step 2: Convert to fraction form
    3,372.12/5,057.76 = 1,424.07/x
  3. Step 3: Cross multiply
    3,372.12x = 5,057.76 × 1,424.07
  4. Step 4: Simplify right side
    3,372.12x = 7,202,604.28
  5. Step 5: Solve for x
    x = 7,202,604.28/3,372.12
  6. Step 6: Final answer
    x = 2,135.93

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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.