Home / 5,190.27-7,161.70-4,927.56

Finding the Fourth Proportional to 5,190.27, 7,161.70 and 4,927.56

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Solution

The fourth proportional to 5,190.27, 7,161.70 and 4,927.56 is: 6,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.27 : 7,161.70 = 4,927.56 : x
  2. Step 2: Convert to fraction form
    5,190.27/7,161.70 = 4,927.56/x
  3. Step 3: Cross multiply
    5,190.27x = 7,161.70 × 4,927.56
  4. Step 4: Simplify right side
    5,190.27x = 35,289,706.45
  5. Step 5: Solve for x
    x = 35,289,706.45/5,190.27
  6. Step 6: Final answer
    x = 6,799.20

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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.