Home / 3,691.72-5,092.77-2,199.16

Finding the Fourth Proportional to 3,691.72, 5,092.77 and 2,199.16

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Solution

The fourth proportional to 3,691.72, 5,092.77 and 2,199.16 is: 3,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.72 : 5,092.77 = 2,199.16 : x
  2. Step 2: Convert to fraction form
    3,691.72/5,092.77 = 2,199.16/x
  3. Step 3: Cross multiply
    3,691.72x = 5,092.77 × 2,199.16
  4. Step 4: Simplify right side
    3,691.72x = 11,199,816.07
  5. Step 5: Solve for x
    x = 11,199,816.07/3,691.72
  6. Step 6: Final answer
    x = 3,033.77

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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.