Home / 5,183.12-7,771.44-1,719.56

Finding the Fourth Proportional to 5,183.12, 7,771.44 and 1,719.56

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Solution

The fourth proportional to 5,183.12, 7,771.44 and 1,719.56 is: 2,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.12 : 7,771.44 = 1,719.56 : x
  2. Step 2: Convert to fraction form
    5,183.12/7,771.44 = 1,719.56/x
  3. Step 3: Cross multiply
    5,183.12x = 7,771.44 × 1,719.56
  4. Step 4: Simplify right side
    5,183.12x = 13,363,457.37
  5. Step 5: Solve for x
    x = 13,363,457.37/5,183.12
  6. Step 6: Final answer
    x = 2,578.27

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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.