Home / 3,691.24-5,536.84-2,133.60

Finding the Fourth Proportional to 3,691.24, 5,536.84 and 2,133.60

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Solution

The fourth proportional to 3,691.24, 5,536.84 and 2,133.60 is: 3,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.24 : 5,536.84 = 2,133.60 : x
  2. Step 2: Convert to fraction form
    3,691.24/5,536.84 = 2,133.60/x
  3. Step 3: Cross multiply
    3,691.24x = 5,536.84 × 2,133.60
  4. Step 4: Simplify right side
    3,691.24x = 11,813,401.82
  5. Step 5: Solve for x
    x = 11,813,401.82/3,691.24
  6. Step 6: Final answer
    x = 3,200.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.