Home / 7,692.45-11,531.75-2,760.93

Finding the Fourth Proportional to 7,692.45, 11,531.75 and 2,760.93

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Solution

The fourth proportional to 7,692.45, 11,531.75 and 2,760.93 is: 4,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.45 : 11,531.75 = 2,760.93 : x
  2. Step 2: Convert to fraction form
    7,692.45/11,531.75 = 2,760.93/x
  3. Step 3: Cross multiply
    7,692.45x = 11,531.75 × 2,760.93
  4. Step 4: Simplify right side
    7,692.45x = 31,838,340.72
  5. Step 5: Solve for x
    x = 31,838,340.72/7,692.45
  6. Step 6: Final answer
    x = 4,138.91

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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.