Home / 5,170.82-7,135.29-3,282.71

Finding the Fourth Proportional to 5,170.82, 7,135.29 and 3,282.71

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Solution

The fourth proportional to 5,170.82, 7,135.29 and 3,282.71 is: 4,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.82 : 7,135.29 = 3,282.71 : x
  2. Step 2: Convert to fraction form
    5,170.82/7,135.29 = 3,282.71/x
  3. Step 3: Cross multiply
    5,170.82x = 7,135.29 × 3,282.71
  4. Step 4: Simplify right side
    5,170.82x = 23,423,052.16
  5. Step 5: Solve for x
    x = 23,423,052.16/5,170.82
  6. Step 6: Final answer
    x = 4,529.86

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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.