Home / 3,201.22-4,418.52-2,869.08

Finding the Fourth Proportional to 3,201.22, 4,418.52 and 2,869.08

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Solution

The fourth proportional to 3,201.22, 4,418.52 and 2,869.08 is: 3,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.22 : 4,418.52 = 2,869.08 : x
  2. Step 2: Convert to fraction form
    3,201.22/4,418.52 = 2,869.08/x
  3. Step 3: Cross multiply
    3,201.22x = 4,418.52 × 2,869.08
  4. Step 4: Simplify right side
    3,201.22x = 12,677,087.36
  5. Step 5: Solve for x
    x = 12,677,087.36/3,201.22
  6. Step 6: Final answer
    x = 3,960.08

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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.