Home / 2,755.94-4,111.36-2,680.62

Finding the Fourth Proportional to 2,755.94, 4,111.36 and 2,680.62

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Solution

The fourth proportional to 2,755.94, 4,111.36 and 2,680.62 is: 3,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.94 : 4,111.36 = 2,680.62 : x
  2. Step 2: Convert to fraction form
    2,755.94/4,111.36 = 2,680.62/x
  3. Step 3: Cross multiply
    2,755.94x = 4,111.36 × 2,680.62
  4. Step 4: Simplify right side
    2,755.94x = 11,020,993.84
  5. Step 5: Solve for x
    x = 11,020,993.84/2,755.94
  6. Step 6: Final answer
    x = 3,999.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.