Home / 3,103.13-4,273.52-2,729.98

Finding the Fourth Proportional to 3,103.13, 4,273.52 and 2,729.98

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Solution

The fourth proportional to 3,103.13, 4,273.52 and 2,729.98 is: 3,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.13 : 4,273.52 = 2,729.98 : x
  2. Step 2: Convert to fraction form
    3,103.13/4,273.52 = 2,729.98/x
  3. Step 3: Cross multiply
    3,103.13x = 4,273.52 × 2,729.98
  4. Step 4: Simplify right side
    3,103.13x = 11,666,599.80
  5. Step 5: Solve for x
    x = 11,666,599.80/3,103.13
  6. Step 6: Final answer
    x = 3,759.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.