Home / 3,418.27-4,720.10-2,092.39

Finding the Fourth Proportional to 3,418.27, 4,720.10 and 2,092.39

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Solution

The fourth proportional to 3,418.27, 4,720.10 and 2,092.39 is: 2,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.27 : 4,720.10 = 2,092.39 : x
  2. Step 2: Convert to fraction form
    3,418.27/4,720.10 = 2,092.39/x
  3. Step 3: Cross multiply
    3,418.27x = 4,720.10 × 2,092.39
  4. Step 4: Simplify right side
    3,418.27x = 9,876,290.04
  5. Step 5: Solve for x
    x = 9,876,290.04/3,418.27
  6. Step 6: Final answer
    x = 2,889.27

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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.