Home / 3,433.32-5,149.98-1,242.00

Finding the Fourth Proportional to 3,433.32, 5,149.98 and 1,242.00

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Solution

The fourth proportional to 3,433.32, 5,149.98 and 1,242.00 is: 1,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.32 : 5,149.98 = 1,242.00 : x
  2. Step 2: Convert to fraction form
    3,433.32/5,149.98 = 1,242.00/x
  3. Step 3: Cross multiply
    3,433.32x = 5,149.98 × 1,242.00
  4. Step 4: Simplify right side
    3,433.32x = 6,396,243.20
  5. Step 5: Solve for x
    x = 6,396,243.20/3,433.32
  6. Step 6: Final answer
    x = 1,862.99

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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.