Home / 2,991.33-4,121.28-2,204.01

Finding the Fourth Proportional to 2,991.33, 4,121.28 and 2,204.01

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Solution

The fourth proportional to 2,991.33, 4,121.28 and 2,204.01 is: 3,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.33 : 4,121.28 = 2,204.01 : x
  2. Step 2: Convert to fraction form
    2,991.33/4,121.28 = 2,204.01/x
  3. Step 3: Cross multiply
    2,991.33x = 4,121.28 × 2,204.01
  4. Step 4: Simplify right side
    2,991.33x = 9,083,342.33
  5. Step 5: Solve for x
    x = 9,083,342.33/2,991.33
  6. Step 6: Final answer
    x = 3,036.56

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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.