Home / 3,108.33-4,663.20-1,028.33

Finding the Fourth Proportional to 3,108.33, 4,663.20 and 1,028.33

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Solution

The fourth proportional to 3,108.33, 4,663.20 and 1,028.33 is: 1,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.33 : 4,663.20 = 1,028.33 : x
  2. Step 2: Convert to fraction form
    3,108.33/4,663.20 = 1,028.33/x
  3. Step 3: Cross multiply
    3,108.33x = 4,663.20 × 1,028.33
  4. Step 4: Simplify right side
    3,108.33x = 4,795,315.80
  5. Step 5: Solve for x
    x = 4,795,315.80/3,108.33
  6. Step 6: Final answer
    x = 1,542.73

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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.