Home / 7,354.56-10,149.06-3,997.26

Finding the Fourth Proportional to 7,354.56, 10,149.06 and 3,997.26

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Solution

The fourth proportional to 7,354.56, 10,149.06 and 3,997.26 is: 5,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.56 : 10,149.06 = 3,997.26 : x
  2. Step 2: Convert to fraction form
    7,354.56/10,149.06 = 3,997.26/x
  3. Step 3: Cross multiply
    7,354.56x = 10,149.06 × 3,997.26
  4. Step 4: Simplify right side
    7,354.56x = 40,568,431.58
  5. Step 5: Solve for x
    x = 40,568,431.58/7,354.56
  6. Step 6: Final answer
    x = 5,516.09

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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.