Home / 2,729.12-3,766.13-1,610.12

Finding the Fourth Proportional to 2,729.12, 3,766.13 and 1,610.12

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Solution

The fourth proportional to 2,729.12, 3,766.13 and 1,610.12 is: 2,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.12 : 3,766.13 = 1,610.12 : x
  2. Step 2: Convert to fraction form
    2,729.12/3,766.13 = 1,610.12/x
  3. Step 3: Cross multiply
    2,729.12x = 3,766.13 × 1,610.12
  4. Step 4: Simplify right side
    2,729.12x = 6,063,921.24
  5. Step 5: Solve for x
    x = 6,063,921.24/2,729.12
  6. Step 6: Final answer
    x = 2,221.93

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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.