Home / 3,540.35-4,885.62-1,968.41

Finding the Fourth Proportional to 3,540.35, 4,885.62 and 1,968.41

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Solution

The fourth proportional to 3,540.35, 4,885.62 and 1,968.41 is: 2,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.35 : 4,885.62 = 1,968.41 : x
  2. Step 2: Convert to fraction form
    3,540.35/4,885.62 = 1,968.41/x
  3. Step 3: Cross multiply
    3,540.35x = 4,885.62 × 1,968.41
  4. Step 4: Simplify right side
    3,540.35x = 9,616,878.84
  5. Step 5: Solve for x
    x = 9,616,878.84/3,540.35
  6. Step 6: Final answer
    x = 2,716.37

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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.