Home / 2,729.27-3,766.85-1,610.49

Finding the Fourth Proportional to 2,729.27, 3,766.85 and 1,610.49

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Solution

The fourth proportional to 2,729.27, 3,766.85 and 1,610.49 is: 2,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.27 : 3,766.85 = 1,610.49 : x
  2. Step 2: Convert to fraction form
    2,729.27/3,766.85 = 1,610.49/x
  3. Step 3: Cross multiply
    2,729.27x = 3,766.85 × 1,610.49
  4. Step 4: Simplify right side
    2,729.27x = 6,066,474.26
  5. Step 5: Solve for x
    x = 6,066,474.26/2,729.27
  6. Step 6: Final answer
    x = 2,222.75

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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.