Home / 6,629.14-9,147.94-3,644.70

Finding the Fourth Proportional to 6,629.14, 9,147.94 and 3,644.70

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Solution

The fourth proportional to 6,629.14, 9,147.94 and 3,644.70 is: 5,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.14 : 9,147.94 = 3,644.70 : x
  2. Step 2: Convert to fraction form
    6,629.14/9,147.94 = 3,644.70/x
  3. Step 3: Cross multiply
    6,629.14x = 9,147.94 × 3,644.70
  4. Step 4: Simplify right side
    6,629.14x = 33,341,496.92
  5. Step 5: Solve for x
    x = 33,341,496.92/6,629.14
  6. Step 6: Final answer
    x = 5,029.54

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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.