Home / 6,091.20-8,399.97-5,147.01

Finding the Fourth Proportional to 6,091.20, 8,399.97 and 5,147.01

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Solution

The fourth proportional to 6,091.20, 8,399.97 and 5,147.01 is: 7,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.20 : 8,399.97 = 5,147.01 : x
  2. Step 2: Convert to fraction form
    6,091.20/8,399.97 = 5,147.01/x
  3. Step 3: Cross multiply
    6,091.20x = 8,399.97 × 5,147.01
  4. Step 4: Simplify right side
    6,091.20x = 43,234,729.59
  5. Step 5: Solve for x
    x = 43,234,729.59/6,091.20
  6. Step 6: Final answer
    x = 7,097.90

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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.