Home / 3,177.22-4,383.69-1,832.78

Finding the Fourth Proportional to 3,177.22, 4,383.69 and 1,832.78

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Solution

The fourth proportional to 3,177.22, 4,383.69 and 1,832.78 is: 2,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.22 : 4,383.69 = 1,832.78 : x
  2. Step 2: Convert to fraction form
    3,177.22/4,383.69 = 1,832.78/x
  3. Step 3: Cross multiply
    3,177.22x = 4,383.69 × 1,832.78
  4. Step 4: Simplify right side
    3,177.22x = 8,034,339.36
  5. Step 5: Solve for x
    x = 8,034,339.36/3,177.22
  6. Step 6: Final answer
    x = 2,528.73

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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.