Home / 7,970.25-11,951.70-2,422.36

Finding the Fourth Proportional to 7,970.25, 11,951.70 and 2,422.36

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Solution

The fourth proportional to 7,970.25, 11,951.70 and 2,422.36 is: 3,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.25 : 11,951.70 = 2,422.36 : x
  2. Step 2: Convert to fraction form
    7,970.25/11,951.70 = 2,422.36/x
  3. Step 3: Cross multiply
    7,970.25x = 11,951.70 × 2,422.36
  4. Step 4: Simplify right side
    7,970.25x = 28,951,320.01
  5. Step 5: Solve for x
    x = 28,951,320.01/7,970.25
  6. Step 6: Final answer
    x = 3,632.42

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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.