Home / 3,202.79-4,418.62-1,943.39

Finding the Fourth Proportional to 3,202.79, 4,418.62 and 1,943.39

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Solution

The fourth proportional to 3,202.79, 4,418.62 and 1,943.39 is: 2,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.79 : 4,418.62 = 1,943.39 : x
  2. Step 2: Convert to fraction form
    3,202.79/4,418.62 = 1,943.39/x
  3. Step 3: Cross multiply
    3,202.79x = 4,418.62 × 1,943.39
  4. Step 4: Simplify right side
    3,202.79x = 8,587,108.11
  5. Step 5: Solve for x
    x = 8,587,108.11/3,202.79
  6. Step 6: Final answer
    x = 2,681.13

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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.