Home / 5,738.27-7,919.23-3,220.63

Finding the Fourth Proportional to 5,738.27, 7,919.23 and 3,220.63

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Solution

The fourth proportional to 5,738.27, 7,919.23 and 3,220.63 is: 4,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.27 : 7,919.23 = 3,220.63 : x
  2. Step 2: Convert to fraction form
    5,738.27/7,919.23 = 3,220.63/x
  3. Step 3: Cross multiply
    5,738.27x = 7,919.23 × 3,220.63
  4. Step 4: Simplify right side
    5,738.27x = 25,504,881.87
  5. Step 5: Solve for x
    x = 25,504,881.87/5,738.27
  6. Step 6: Final answer
    x = 4,444.70

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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.