Home / 3,762.82-5,192.73-2,190.88

Finding the Fourth Proportional to 3,762.82, 5,192.73 and 2,190.88

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Solution

The fourth proportional to 3,762.82, 5,192.73 and 2,190.88 is: 3,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.82 : 5,192.73 = 2,190.88 : x
  2. Step 2: Convert to fraction form
    3,762.82/5,192.73 = 2,190.88/x
  3. Step 3: Cross multiply
    3,762.82x = 5,192.73 × 2,190.88
  4. Step 4: Simplify right side
    3,762.82x = 11,376,622.34
  5. Step 5: Solve for x
    x = 11,376,622.34/3,762.82
  6. Step 6: Final answer
    x = 3,023.43

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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.