Home / 2,729.68-3,766.97-1,550.77

Finding the Fourth Proportional to 2,729.68, 3,766.97 and 1,550.77

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Solution

The fourth proportional to 2,729.68, 3,766.97 and 1,550.77 is: 2,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.68 : 3,766.97 = 1,550.77 : x
  2. Step 2: Convert to fraction form
    2,729.68/3,766.97 = 1,550.77/x
  3. Step 3: Cross multiply
    2,729.68x = 3,766.97 × 1,550.77
  4. Step 4: Simplify right side
    2,729.68x = 5,841,698.53
  5. Step 5: Solve for x
    x = 5,841,698.53/2,729.68
  6. Step 6: Final answer
    x = 2,140.07

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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.