Home / 7,961.97-11,940.45-2,895.51

Finding the Fourth Proportional to 7,961.97, 11,940.45 and 2,895.51

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Solution

The fourth proportional to 7,961.97, 11,940.45 and 2,895.51 is: 4,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.97 : 11,940.45 = 2,895.51 : x
  2. Step 2: Convert to fraction form
    7,961.97/11,940.45 = 2,895.51/x
  3. Step 3: Cross multiply
    7,961.97x = 11,940.45 × 2,895.51
  4. Step 4: Simplify right side
    7,961.97x = 34,573,692.38
  5. Step 5: Solve for x
    x = 34,573,692.38/7,961.97
  6. Step 6: Final answer
    x = 4,342.35

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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.