Home / 3,111.02-4,294.58-2,049.33

Finding the Fourth Proportional to 3,111.02, 4,294.58 and 2,049.33

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Solution

The fourth proportional to 3,111.02, 4,294.58 and 2,049.33 is: 2,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.02 : 4,294.58 = 2,049.33 : x
  2. Step 2: Convert to fraction form
    3,111.02/4,294.58 = 2,049.33/x
  3. Step 3: Cross multiply
    3,111.02x = 4,294.58 × 2,049.33
  4. Step 4: Simplify right side
    3,111.02x = 8,801,001.38
  5. Step 5: Solve for x
    x = 8,801,001.38/3,111.02
  6. Step 6: Final answer
    x = 2,828.98

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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.