Home / 3,195.63-4,403.82-2,132.19

Finding the Fourth Proportional to 3,195.63, 4,403.82 and 2,132.19

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Solution

The fourth proportional to 3,195.63, 4,403.82 and 2,132.19 is: 2,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.63 : 4,403.82 = 2,132.19 : x
  2. Step 2: Convert to fraction form
    3,195.63/4,403.82 = 2,132.19/x
  3. Step 3: Cross multiply
    3,195.63x = 4,403.82 × 2,132.19
  4. Step 4: Simplify right side
    3,195.63x = 9,389,780.97
  5. Step 5: Solve for x
    x = 9,389,780.97/3,195.63
  6. Step 6: Final answer
    x = 2,938.32

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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.