Home / 2,422.12-3,633.38-756.04

Finding the Fourth Proportional to 2,422.12, 3,633.38 and 756.04

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Solution

The fourth proportional to 2,422.12, 3,633.38 and 756.04 is: 1,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.12 : 3,633.38 = 756.04 : x
  2. Step 2: Convert to fraction form
    2,422.12/3,633.38 = 756.04/x
  3. Step 3: Cross multiply
    2,422.12x = 3,633.38 × 756.04
  4. Step 4: Simplify right side
    2,422.12x = 2,746,980.62
  5. Step 5: Solve for x
    x = 2,746,980.62/2,422.12
  6. Step 6: Final answer
    x = 1,134.12

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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.