Home / 3,540.12-4,885.44-2,328.36

Finding the Fourth Proportional to 3,540.12, 4,885.44 and 2,328.36

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Solution

The fourth proportional to 3,540.12, 4,885.44 and 2,328.36 is: 3,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 4,885.44 = 2,328.36 : x
  2. Step 2: Convert to fraction form
    3,540.12/4,885.44 = 2,328.36/x
  3. Step 3: Cross multiply
    3,540.12x = 4,885.44 × 2,328.36
  4. Step 4: Simplify right side
    3,540.12x = 11,375,063.08
  5. Step 5: Solve for x
    x = 11,375,063.08/3,540.12
  6. Step 6: Final answer
    x = 3,213.19

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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.