Home / 7,174.27-10,759.36-2,790.70

Finding the Fourth Proportional to 7,174.27, 10,759.36 and 2,790.70

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Solution

The fourth proportional to 7,174.27, 10,759.36 and 2,790.70 is: 4,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.27 : 10,759.36 = 2,790.70 : x
  2. Step 2: Convert to fraction form
    7,174.27/10,759.36 = 2,790.70/x
  3. Step 3: Cross multiply
    7,174.27x = 10,759.36 × 2,790.70
  4. Step 4: Simplify right side
    7,174.27x = 30,026,169.98
  5. Step 5: Solve for x
    x = 30,026,169.98/7,174.27
  6. Step 6: Final answer
    x = 4,185.26

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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.