Home / 5,190.24-7,785.83-2,069.49

Finding the Fourth Proportional to 5,190.24, 7,785.83 and 2,069.49

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Solution

The fourth proportional to 5,190.24, 7,785.83 and 2,069.49 is: 3,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.24 : 7,785.83 = 2,069.49 : x
  2. Step 2: Convert to fraction form
    5,190.24/7,785.83 = 2,069.49/x
  3. Step 3: Cross multiply
    5,190.24x = 7,785.83 × 2,069.49
  4. Step 4: Simplify right side
    5,190.24x = 16,112,697.33
  5. Step 5: Solve for x
    x = 16,112,697.33/5,190.24
  6. Step 6: Final answer
    x = 3,104.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.