Home / 5,738.97-7,919.73-3,221.07

Finding the Fourth Proportional to 5,738.97, 7,919.73 and 3,221.07

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Solution

The fourth proportional to 5,738.97, 7,919.73 and 3,221.07 is: 4,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.97 : 7,919.73 = 3,221.07 : x
  2. Step 2: Convert to fraction form
    5,738.97/7,919.73 = 3,221.07/x
  3. Step 3: Cross multiply
    5,738.97x = 7,919.73 × 3,221.07
  4. Step 4: Simplify right side
    5,738.97x = 25,510,004.71
  5. Step 5: Solve for x
    x = 25,510,004.71/5,738.97
  6. Step 6: Final answer
    x = 4,445.05

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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.