Home / 7,589.58-11,382.81-2,908.02

Finding the Fourth Proportional to 7,589.58, 11,382.81 and 2,908.02

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Solution

The fourth proportional to 7,589.58, 11,382.81 and 2,908.02 is: 4,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.58 : 11,382.81 = 2,908.02 : x
  2. Step 2: Convert to fraction form
    7,589.58/11,382.81 = 2,908.02/x
  3. Step 3: Cross multiply
    7,589.58x = 11,382.81 × 2,908.02
  4. Step 4: Simplify right side
    7,589.58x = 33,101,439.14
  5. Step 5: Solve for x
    x = 33,101,439.14/7,589.58
  6. Step 6: Final answer
    x = 4,361.43

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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.