Home / 6,519.35-9,778.26-1,839.71

Finding the Fourth Proportional to 6,519.35, 9,778.26 and 1,839.71

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Solution

The fourth proportional to 6,519.35, 9,778.26 and 1,839.71 is: 2,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.35 : 9,778.26 = 1,839.71 : x
  2. Step 2: Convert to fraction form
    6,519.35/9,778.26 = 1,839.71/x
  3. Step 3: Cross multiply
    6,519.35x = 9,778.26 × 1,839.71
  4. Step 4: Simplify right side
    6,519.35x = 17,989,162.70
  5. Step 5: Solve for x
    x = 17,989,162.70/6,519.35
  6. Step 6: Final answer
    x = 2,759.35

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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.