Home / 2,202.12-3,302.87-741.29

Finding the Fourth Proportional to 2,202.12, 3,302.87 and 741.29

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Solution

The fourth proportional to 2,202.12, 3,302.87 and 741.29 is: 1,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.12 : 3,302.87 = 741.29 : x
  2. Step 2: Convert to fraction form
    2,202.12/3,302.87 = 741.29/x
  3. Step 3: Cross multiply
    2,202.12x = 3,302.87 × 741.29
  4. Step 4: Simplify right side
    2,202.12x = 2,448,364.28
  5. Step 5: Solve for x
    x = 2,448,364.28/2,202.12
  6. Step 6: Final answer
    x = 1,111.82

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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.