Home / 3,540.12-4,874.16-3,007.92

Finding the Fourth Proportional to 3,540.12, 4,874.16 and 3,007.92

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Solution

The fourth proportional to 3,540.12, 4,874.16 and 3,007.92 is: 4,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 4,874.16 = 3,007.92 : x
  2. Step 2: Convert to fraction form
    3,540.12/4,874.16 = 3,007.92/x
  3. Step 3: Cross multiply
    3,540.12x = 4,874.16 × 3,007.92
  4. Step 4: Simplify right side
    3,540.12x = 14,661,083.35
  5. Step 5: Solve for x
    x = 14,661,083.35/3,540.12
  6. Step 6: Final answer
    x = 4,141.41

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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.