Home / 4,851.16-7,279.92-2,661.42

Finding the Fourth Proportional to 4,851.16, 7,279.92 and 2,661.42

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Solution

The fourth proportional to 4,851.16, 7,279.92 and 2,661.42 is: 3,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.16 : 7,279.92 = 2,661.42 : x
  2. Step 2: Convert to fraction form
    4,851.16/7,279.92 = 2,661.42/x
  3. Step 3: Cross multiply
    4,851.16x = 7,279.92 × 2,661.42
  4. Step 4: Simplify right side
    4,851.16x = 19,374,924.69
  5. Step 5: Solve for x
    x = 19,374,924.69/4,851.16
  6. Step 6: Final answer
    x = 3,993.87

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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.