Home / 3,967.68-5,475.48-2,199.44

Finding the Fourth Proportional to 3,967.68, 5,475.48 and 2,199.44

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Solution

The fourth proportional to 3,967.68, 5,475.48 and 2,199.44 is: 3,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.68 : 5,475.48 = 2,199.44 : x
  2. Step 2: Convert to fraction form
    3,967.68/5,475.48 = 2,199.44/x
  3. Step 3: Cross multiply
    3,967.68x = 5,475.48 × 2,199.44
  4. Step 4: Simplify right side
    3,967.68x = 12,042,989.73
  5. Step 5: Solve for x
    x = 12,042,989.73/3,967.68
  6. Step 6: Final answer
    x = 3,035.27

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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.