Home / 7,589.56-11,383.99-2,660.31

Finding the Fourth Proportional to 7,589.56, 11,383.99 and 2,660.31

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Solution

The fourth proportional to 7,589.56, 11,383.99 and 2,660.31 is: 3,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.56 : 11,383.99 = 2,660.31 : x
  2. Step 2: Convert to fraction form
    7,589.56/11,383.99 = 2,660.31/x
  3. Step 3: Cross multiply
    7,589.56x = 11,383.99 × 2,660.31
  4. Step 4: Simplify right side
    7,589.56x = 30,284,942.44
  5. Step 5: Solve for x
    x = 30,284,942.44/7,589.56
  6. Step 6: Final answer
    x = 3,990.34

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1.5x scale

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.