Home / 2,961.06-4,086.77-1,766.12

Finding the Fourth Proportional to 2,961.06, 4,086.77 and 1,766.12

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Solution

The fourth proportional to 2,961.06, 4,086.77 and 1,766.12 is: 2,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.06 : 4,086.77 = 1,766.12 : x
  2. Step 2: Convert to fraction form
    2,961.06/4,086.77 = 1,766.12/x
  3. Step 3: Cross multiply
    2,961.06x = 4,086.77 × 1,766.12
  4. Step 4: Simplify right side
    2,961.06x = 7,217,696.97
  5. Step 5: Solve for x
    x = 7,217,696.97/2,961.06
  6. Step 6: Final answer
    x = 2,437.54

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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.