Home / 5,147.14-7,102.88-3,022.63

Finding the Fourth Proportional to 5,147.14, 7,102.88 and 3,022.63

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Solution

The fourth proportional to 5,147.14, 7,102.88 and 3,022.63 is: 4,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.14 : 7,102.88 = 3,022.63 : x
  2. Step 2: Convert to fraction form
    5,147.14/7,102.88 = 3,022.63/x
  3. Step 3: Cross multiply
    5,147.14x = 7,102.88 × 3,022.63
  4. Step 4: Simplify right side
    5,147.14x = 21,469,385.73
  5. Step 5: Solve for x
    x = 21,469,385.73/5,147.14
  6. Step 6: Final answer
    x = 4,171.13

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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.