Home / 7,729.82-11,595.43-2,183.22

Finding the Fourth Proportional to 7,729.82, 11,595.43 and 2,183.22

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Solution

The fourth proportional to 7,729.82, 11,595.43 and 2,183.22 is: 3,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.82 : 11,595.43 = 2,183.22 : x
  2. Step 2: Convert to fraction form
    7,729.82/11,595.43 = 2,183.22/x
  3. Step 3: Cross multiply
    7,729.82x = 11,595.43 × 2,183.22
  4. Step 4: Simplify right side
    7,729.82x = 25,315,374.68
  5. Step 5: Solve for x
    x = 25,315,374.68/7,729.82
  6. Step 6: Final answer
    x = 3,275.03

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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.