Home / 7,310.87-10,969.53-2,692.79

Finding the Fourth Proportional to 7,310.87, 10,969.53 and 2,692.79

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Solution

The fourth proportional to 7,310.87, 10,969.53 and 2,692.79 is: 4,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.87 : 10,969.53 = 2,692.79 : x
  2. Step 2: Convert to fraction form
    7,310.87/10,969.53 = 2,692.79/x
  3. Step 3: Cross multiply
    7,310.87x = 10,969.53 × 2,692.79
  4. Step 4: Simplify right side
    7,310.87x = 29,538,585.84
  5. Step 5: Solve for x
    x = 29,538,585.84/7,310.87
  6. Step 6: Final answer
    x = 4,040.37

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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.