Home / 7,623.67-11,431.75-2,692.59

Finding the Fourth Proportional to 7,623.67, 11,431.75 and 2,692.59

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Solution

The fourth proportional to 7,623.67, 11,431.75 and 2,692.59 is: 4,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.67 : 11,431.75 = 2,692.59 : x
  2. Step 2: Convert to fraction form
    7,623.67/11,431.75 = 2,692.59/x
  3. Step 3: Cross multiply
    7,623.67x = 11,431.75 × 2,692.59
  4. Step 4: Simplify right side
    7,623.67x = 30,781,015.73
  5. Step 5: Solve for x
    x = 30,781,015.73/7,623.67
  6. Step 6: Final answer
    x = 4,037.56

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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.