Home / 3,762.12-5,192.37-2,168.48

Finding the Fourth Proportional to 3,762.12, 5,192.37 and 2,168.48

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Solution

The fourth proportional to 3,762.12, 5,192.37 and 2,168.48 is: 2,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.12 : 5,192.37 = 2,168.48 : x
  2. Step 2: Convert to fraction form
    3,762.12/5,192.37 = 2,168.48/x
  3. Step 3: Cross multiply
    3,762.12x = 5,192.37 × 2,168.48
  4. Step 4: Simplify right side
    3,762.12x = 11,259,561.63
  5. Step 5: Solve for x
    x = 11,259,561.63/3,762.12
  6. Step 6: Final answer
    x = 2,992.88

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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.