Home / 3,712.94-5,122.44-2,200.37

Finding the Fourth Proportional to 3,712.94, 5,122.44 and 2,200.37

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Solution

The fourth proportional to 3,712.94, 5,122.44 and 2,200.37 is: 3,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.94 : 5,122.44 = 2,200.37 : x
  2. Step 2: Convert to fraction form
    3,712.94/5,122.44 = 2,200.37/x
  3. Step 3: Cross multiply
    3,712.94x = 5,122.44 × 2,200.37
  4. Step 4: Simplify right side
    3,712.94x = 11,271,237.69
  5. Step 5: Solve for x
    x = 11,271,237.69/3,712.94
  6. Step 6: Final answer
    x = 3,035.66

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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.