Home / 2,422.01-3,634.50-961.28

Finding the Fourth Proportional to 2,422.01, 3,634.50 and 961.28

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Solution

The fourth proportional to 2,422.01, 3,634.50 and 961.28 is: 1,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.01 : 3,634.50 = 961.28 : x
  2. Step 2: Convert to fraction form
    2,422.01/3,634.50 = 961.28/x
  3. Step 3: Cross multiply
    2,422.01x = 3,634.50 × 961.28
  4. Step 4: Simplify right side
    2,422.01x = 3,493,753.99
  5. Step 5: Solve for x
    x = 3,493,753.99/2,422.01
  6. Step 6: Final answer
    x = 1,442.50

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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.