Home / 4,121.12-6,181.07-1,348.08

Finding the Fourth Proportional to 4,121.12, 6,181.07 and 1,348.08

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Solution

The fourth proportional to 4,121.12, 6,181.07 and 1,348.08 is: 2,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.12 : 6,181.07 = 1,348.08 : x
  2. Step 2: Convert to fraction form
    4,121.12/6,181.07 = 1,348.08/x
  3. Step 3: Cross multiply
    4,121.12x = 6,181.07 × 1,348.08
  4. Step 4: Simplify right side
    4,121.12x = 8,332,570.11
  5. Step 5: Solve for x
    x = 8,332,570.11/4,121.12
  6. Step 6: Final answer
    x = 2,021.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.