Home / 3,183.06-4,392.59-1,766.75

Finding the Fourth Proportional to 3,183.06, 4,392.59 and 1,766.75

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Solution

The fourth proportional to 3,183.06, 4,392.59 and 1,766.75 is: 2,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.06 : 4,392.59 = 1,766.75 : x
  2. Step 2: Convert to fraction form
    3,183.06/4,392.59 = 1,766.75/x
  3. Step 3: Cross multiply
    3,183.06x = 4,392.59 × 1,766.75
  4. Step 4: Simplify right side
    3,183.06x = 7,760,577.59
  5. Step 5: Solve for x
    x = 7,760,577.59/3,183.06
  6. Step 6: Final answer
    x = 2,438.09

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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.