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Finding the Fourth Proportional to 5,860.97, 8,091.90 and 5,230.41

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Solution

The fourth proportional to 5,860.97, 8,091.90 and 5,230.41 is: 7,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.97 : 8,091.90 = 5,230.41 : x
  2. Step 2: Convert to fraction form
    5,860.97/8,091.90 = 5,230.41/x
  3. Step 3: Cross multiply
    5,860.97x = 8,091.90 × 5,230.41
  4. Step 4: Simplify right side
    5,860.97x = 42,323,954.68
  5. Step 5: Solve for x
    x = 42,323,954.68/5,860.97
  6. Step 6: Final answer
    x = 7,221.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.