Home / 2,965.80-4,091.76-1,786.44

Finding the Fourth Proportional to 2,965.80, 4,091.76 and 1,786.44

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Solution

The fourth proportional to 2,965.80, 4,091.76 and 1,786.44 is: 2,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.80 : 4,091.76 = 1,786.44 : x
  2. Step 2: Convert to fraction form
    2,965.80/4,091.76 = 1,786.44/x
  3. Step 3: Cross multiply
    2,965.80x = 4,091.76 × 1,786.44
  4. Step 4: Simplify right side
    2,965.80x = 7,309,683.73
  5. Step 5: Solve for x
    x = 7,309,683.73/2,965.80
  6. Step 6: Final answer
    x = 2,464.66

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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.