Home / 7,975.71-11,961.73-2,351.92

Finding the Fourth Proportional to 7,975.71, 11,961.73 and 2,351.92

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Solution

The fourth proportional to 7,975.71, 11,961.73 and 2,351.92 is: 3,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.71 : 11,961.73 = 2,351.92 : x
  2. Step 2: Convert to fraction form
    7,975.71/11,961.73 = 2,351.92/x
  3. Step 3: Cross multiply
    7,975.71x = 11,961.73 × 2,351.92
  4. Step 4: Simplify right side
    7,975.71x = 28,133,032.02
  5. Step 5: Solve for x
    x = 28,133,032.02/7,975.71
  6. Step 6: Final answer
    x = 3,527.34

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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.