Home / 7,692.75-11,537.96-2,145.51

Finding the Fourth Proportional to 7,692.75, 11,537.96 and 2,145.51

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Solution

The fourth proportional to 7,692.75, 11,537.96 and 2,145.51 is: 3,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.75 : 11,537.96 = 2,145.51 : x
  2. Step 2: Convert to fraction form
    7,692.75/11,537.96 = 2,145.51/x
  3. Step 3: Cross multiply
    7,692.75x = 11,537.96 × 2,145.51
  4. Step 4: Simplify right side
    7,692.75x = 24,754,797.83
  5. Step 5: Solve for x
    x = 24,754,797.83/7,692.75
  6. Step 6: Final answer
    x = 3,217.94

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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.