Home / 3,540.19-4,885.59-1,968.25

Finding the Fourth Proportional to 3,540.19, 4,885.59 and 1,968.25

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Solution

The fourth proportional to 3,540.19, 4,885.59 and 1,968.25 is: 2,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.19 : 4,885.59 = 1,968.25 : x
  2. Step 2: Convert to fraction form
    3,540.19/4,885.59 = 1,968.25/x
  3. Step 3: Cross multiply
    3,540.19x = 4,885.59 × 1,968.25
  4. Step 4: Simplify right side
    3,540.19x = 9,616,062.52
  5. Step 5: Solve for x
    x = 9,616,062.52/3,540.19
  6. Step 6: Final answer
    x = 2,716.26

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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.