Home / 7,166.22-10,765.80-5,091.27

Finding the Fourth Proportional to 7,166.22, 10,765.80 and 5,091.27

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Solution

The fourth proportional to 7,166.22, 10,765.80 and 5,091.27 is: 7,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.22 : 10,765.80 = 5,091.27 : x
  2. Step 2: Convert to fraction form
    7,166.22/10,765.80 = 5,091.27/x
  3. Step 3: Cross multiply
    7,166.22x = 10,765.80 × 5,091.27
  4. Step 4: Simplify right side
    7,166.22x = 54,811,594.57
  5. Step 5: Solve for x
    x = 54,811,594.57/7,166.22
  6. Step 6: Final answer
    x = 7,648.61

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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.