Home / 7,183.58-10,775.97-1,919.39

Finding the Fourth Proportional to 7,183.58, 10,775.97 and 1,919.39

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Solution

The fourth proportional to 7,183.58, 10,775.97 and 1,919.39 is: 2,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.58 : 10,775.97 = 1,919.39 : x
  2. Step 2: Convert to fraction form
    7,183.58/10,775.97 = 1,919.39/x
  3. Step 3: Cross multiply
    7,183.58x = 10,775.97 × 1,919.39
  4. Step 4: Simplify right side
    7,183.58x = 20,683,235.18
  5. Step 5: Solve for x
    x = 20,683,235.18/7,183.58
  6. Step 6: Final answer
    x = 2,879.24

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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.