Home / 7,049.23-9,727.94-3,906.03

Finding the Fourth Proportional to 7,049.23, 9,727.94 and 3,906.03

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Solution

The fourth proportional to 7,049.23, 9,727.94 and 3,906.03 is: 5,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.23 : 9,727.94 = 3,906.03 : x
  2. Step 2: Convert to fraction form
    7,049.23/9,727.94 = 3,906.03/x
  3. Step 3: Cross multiply
    7,049.23x = 9,727.94 × 3,906.03
  4. Step 4: Simplify right side
    7,049.23x = 37,997,625.48
  5. Step 5: Solve for x
    x = 37,997,625.48/7,049.23
  6. Step 6: Final answer
    x = 5,390.32

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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.