Home / 7,109.88-10,660.24-2,952.75

Finding the Fourth Proportional to 7,109.88, 10,660.24 and 2,952.75

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Solution

The fourth proportional to 7,109.88, 10,660.24 and 2,952.75 is: 4,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.88 : 10,660.24 = 2,952.75 : x
  2. Step 2: Convert to fraction form
    7,109.88/10,660.24 = 2,952.75/x
  3. Step 3: Cross multiply
    7,109.88x = 10,660.24 × 2,952.75
  4. Step 4: Simplify right side
    7,109.88x = 31,477,067.33
  5. Step 5: Solve for x
    x = 31,477,067.33/7,109.88
  6. Step 6: Final answer
    x = 4,427.23

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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.