Home / 6,629.25-9,147.97-3,644.51

Finding the Fourth Proportional to 6,629.25, 9,147.97 and 3,644.51

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Solution

The fourth proportional to 6,629.25, 9,147.97 and 3,644.51 is: 5,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.25 : 9,147.97 = 3,644.51 : x
  2. Step 2: Convert to fraction form
    6,629.25/9,147.97 = 3,644.51/x
  3. Step 3: Cross multiply
    6,629.25x = 9,147.97 × 3,644.51
  4. Step 4: Simplify right side
    6,629.25x = 33,339,826.96
  5. Step 5: Solve for x
    x = 33,339,826.96/6,629.25
  6. Step 6: Final answer
    x = 5,029.20

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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.