Home / 2,787.09-4,180.77-2,299.26

Finding the Fourth Proportional to 2,787.09, 4,180.77 and 2,299.26

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Solution

The fourth proportional to 2,787.09, 4,180.77 and 2,299.26 is: 3,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.09 : 4,180.77 = 2,299.26 : x
  2. Step 2: Convert to fraction form
    2,787.09/4,180.77 = 2,299.26/x
  3. Step 3: Cross multiply
    2,787.09x = 4,180.77 × 2,299.26
  4. Step 4: Simplify right side
    2,787.09x = 9,612,677.23
  5. Step 5: Solve for x
    x = 9,612,677.23/2,787.09
  6. Step 6: Final answer
    x = 3,449.00

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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.