Home / 3,540.26-4,885.68-1,968.26

Finding the Fourth Proportional to 3,540.26, 4,885.68 and 1,968.26

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Solution

The fourth proportional to 3,540.26, 4,885.68 and 1,968.26 is: 2,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.26 : 4,885.68 = 1,968.26 : x
  2. Step 2: Convert to fraction form
    3,540.26/4,885.68 = 1,968.26/x
  3. Step 3: Cross multiply
    3,540.26x = 4,885.68 × 1,968.26
  4. Step 4: Simplify right side
    3,540.26x = 9,616,288.52
  5. Step 5: Solve for x
    x = 9,616,288.52/3,540.26
  6. Step 6: Final answer
    x = 2,716.27

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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.