Home / 5,911.66-8,157.97-3,222.90

Finding the Fourth Proportional to 5,911.66, 8,157.97 and 3,222.90

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Solution

The fourth proportional to 5,911.66, 8,157.97 and 3,222.90 is: 4,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.66 : 8,157.97 = 3,222.90 : x
  2. Step 2: Convert to fraction form
    5,911.66/8,157.97 = 3,222.90/x
  3. Step 3: Cross multiply
    5,911.66x = 8,157.97 × 3,222.90
  4. Step 4: Simplify right side
    5,911.66x = 26,292,321.51
  5. Step 5: Solve for x
    x = 26,292,321.51/5,911.66
  6. Step 6: Final answer
    x = 4,447.54

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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.