Home / 5,197.82-7,170.72-3,308.36

Finding the Fourth Proportional to 5,197.82, 7,170.72 and 3,308.36

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Solution

The fourth proportional to 5,197.82, 7,170.72 and 3,308.36 is: 4,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.82 : 7,170.72 = 3,308.36 : x
  2. Step 2: Convert to fraction form
    5,197.82/7,170.72 = 3,308.36/x
  3. Step 3: Cross multiply
    5,197.82x = 7,170.72 × 3,308.36
  4. Step 4: Simplify right side
    5,197.82x = 23,723,323.22
  5. Step 5: Solve for x
    x = 23,723,323.22/5,197.82
  6. Step 6: Final answer
    x = 4,564.09

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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.