Home / 3,088.49-4,268.79-2,731.89

Finding the Fourth Proportional to 3,088.49, 4,268.79 and 2,731.89

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Solution

The fourth proportional to 3,088.49, 4,268.79 and 2,731.89 is: 3,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.49 : 4,268.79 = 2,731.89 : x
  2. Step 2: Convert to fraction form
    3,088.49/4,268.79 = 2,731.89/x
  3. Step 3: Cross multiply
    3,088.49x = 4,268.79 × 2,731.89
  4. Step 4: Simplify right side
    3,088.49x = 11,661,851.05
  5. Step 5: Solve for x
    x = 11,661,851.05/3,088.49
  6. Step 6: Final answer
    x = 3,775.91

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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.