Home / 3,149.00-4,722.49-1,040.16

Finding the Fourth Proportional to 3,149.00, 4,722.49 and 1,040.16

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Solution

The fourth proportional to 3,149.00, 4,722.49 and 1,040.16 is: 1,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.00 : 4,722.49 = 1,040.16 : x
  2. Step 2: Convert to fraction form
    3,149.00/4,722.49 = 1,040.16/x
  3. Step 3: Cross multiply
    3,149.00x = 4,722.49 × 1,040.16
  4. Step 4: Simplify right side
    3,149.00x = 4,912,116.39
  5. Step 5: Solve for x
    x = 4,912,116.39/3,149.00
  6. Step 6: Final answer
    x = 1,559.90

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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.