Home / 4,147.00-5,720.22-3,150.09

Finding the Fourth Proportional to 4,147.00, 5,720.22 and 3,150.09

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Solution

The fourth proportional to 4,147.00, 5,720.22 and 3,150.09 is: 4,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.00 : 5,720.22 = 3,150.09 : x
  2. Step 2: Convert to fraction form
    4,147.00/5,720.22 = 3,150.09/x
  3. Step 3: Cross multiply
    4,147.00x = 5,720.22 × 3,150.09
  4. Step 4: Simplify right side
    4,147.00x = 18,019,207.82
  5. Step 5: Solve for x
    x = 18,019,207.82/4,147.00
  6. Step 6: Final answer
    x = 4,345.12

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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.