Home / 3,540.09-4,885.87-2,548.65

Finding the Fourth Proportional to 3,540.09, 4,885.87 and 2,548.65

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Solution

The fourth proportional to 3,540.09, 4,885.87 and 2,548.65 is: 3,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.09 : 4,885.87 = 2,548.65 : x
  2. Step 2: Convert to fraction form
    3,540.09/4,885.87 = 2,548.65/x
  3. Step 3: Cross multiply
    3,540.09x = 4,885.87 × 2,548.65
  4. Step 4: Simplify right side
    3,540.09x = 12,452,372.58
  5. Step 5: Solve for x
    x = 12,452,372.58/3,540.09
  6. Step 6: Final answer
    x = 3,517.53

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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.