Home / 5,738.42-7,919.06-3,220.56

Finding the Fourth Proportional to 5,738.42, 7,919.06 and 3,220.56

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Solution

The fourth proportional to 5,738.42, 7,919.06 and 3,220.56 is: 4,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.42 : 7,919.06 = 3,220.56 : x
  2. Step 2: Convert to fraction form
    5,738.42/7,919.06 = 3,220.56/x
  3. Step 3: Cross multiply
    5,738.42x = 7,919.06 × 3,220.56
  4. Step 4: Simplify right side
    5,738.42x = 25,503,791.77
  5. Step 5: Solve for x
    x = 25,503,791.77/5,738.42
  6. Step 6: Final answer
    x = 4,444.39

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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.