Home / 3,772.68-5,199.22-2,722.92

Finding the Fourth Proportional to 3,772.68, 5,199.22 and 2,722.92

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Solution

The fourth proportional to 3,772.68, 5,199.22 and 2,722.92 is: 3,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.68 : 5,199.22 = 2,722.92 : x
  2. Step 2: Convert to fraction form
    3,772.68/5,199.22 = 2,722.92/x
  3. Step 3: Cross multiply
    3,772.68x = 5,199.22 × 2,722.92
  4. Step 4: Simplify right side
    3,772.68x = 14,157,060.12
  5. Step 5: Solve for x
    x = 14,157,060.12/3,772.68
  6. Step 6: Final answer
    x = 3,752.52

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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.