Home / 7,334.85-10,121.63-4,190.97

Finding the Fourth Proportional to 7,334.85, 10,121.63 and 4,190.97

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Solution

The fourth proportional to 7,334.85, 10,121.63 and 4,190.97 is: 5,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.85 : 10,121.63 = 4,190.97 : x
  2. Step 2: Convert to fraction form
    7,334.85/10,121.63 = 4,190.97/x
  3. Step 3: Cross multiply
    7,334.85x = 10,121.63 × 4,190.97
  4. Step 4: Simplify right side
    7,334.85x = 42,419,426.73
  5. Step 5: Solve for x
    x = 42,419,426.73/7,334.85
  6. Step 6: Final answer
    x = 5,783.27

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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.