Home / 7,109.76-10,667.66-2,726.64

Finding the Fourth Proportional to 7,109.76, 10,667.66 and 2,726.64

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Solution

The fourth proportional to 7,109.76, 10,667.66 and 2,726.64 is: 4,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.76 : 10,667.66 = 2,726.64 : x
  2. Step 2: Convert to fraction form
    7,109.76/10,667.66 = 2,726.64/x
  3. Step 3: Cross multiply
    7,109.76x = 10,667.66 × 2,726.64
  4. Step 4: Simplify right side
    7,109.76x = 29,086,868.46
  5. Step 5: Solve for x
    x = 29,086,868.46/7,109.76
  6. Step 6: Final answer
    x = 4,091.12

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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.