Home / 5,170.82-7,135.16-3,046.22

Finding the Fourth Proportional to 5,170.82, 7,135.16 and 3,046.22

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Solution

The fourth proportional to 5,170.82, 7,135.16 and 3,046.22 is: 4,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.82 : 7,135.16 = 3,046.22 : x
  2. Step 2: Convert to fraction form
    5,170.82/7,135.16 = 3,046.22/x
  3. Step 3: Cross multiply
    5,170.82x = 7,135.16 × 3,046.22
  4. Step 4: Simplify right side
    5,170.82x = 21,735,216.19
  5. Step 5: Solve for x
    x = 21,735,216.19/5,170.82
  6. Step 6: Final answer
    x = 4,203.43

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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.