Home / 4,791.30-7,177.61-2,705

Finding the Fourth Proportional to 4,791.30, 7,177.61 and 2,705

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Solution

The fourth proportional to 4,791.30, 7,177.61 and 2,705 is: 4,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.30 : 7,177.61 = 2,705 : x
  2. Step 2: Convert to fraction form
    4,791.30/7,177.61 = 2,705/x
  3. Step 3: Cross multiply
    4,791.30x = 7,177.61 × 2,705
  4. Step 4: Simplify right side
    4,791.30x = 19,415,435.05
  5. Step 5: Solve for x
    x = 19,415,435.05/4,791.30
  6. Step 6: Final answer
    x = 4,052.23

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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.