Home / 3,424.23-5,139.99-2,735.19

Finding the Fourth Proportional to 3,424.23, 5,139.99 and 2,735.19

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Solution

The fourth proportional to 3,424.23, 5,139.99 and 2,735.19 is: 4,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.23 : 5,139.99 = 2,735.19 : x
  2. Step 2: Convert to fraction form
    3,424.23/5,139.99 = 2,735.19/x
  3. Step 3: Cross multiply
    3,424.23x = 5,139.99 × 2,735.19
  4. Step 4: Simplify right side
    3,424.23x = 14,058,849.25
  5. Step 5: Solve for x
    x = 14,058,849.25/3,424.23
  6. Step 6: Final answer
    x = 4,105.70

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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.