Home / 5,183.68-7,151.43-3,190.77

Finding the Fourth Proportional to 5,183.68, 7,151.43 and 3,190.77

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Solution

The fourth proportional to 5,183.68, 7,151.43 and 3,190.77 is: 4,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.68 : 7,151.43 = 3,190.77 : x
  2. Step 2: Convert to fraction form
    5,183.68/7,151.43 = 3,190.77/x
  3. Step 3: Cross multiply
    5,183.68x = 7,151.43 × 3,190.77
  4. Step 4: Simplify right side
    5,183.68x = 22,818,568.30
  5. Step 5: Solve for x
    x = 22,818,568.30/5,183.68
  6. Step 6: Final answer
    x = 4,402.01

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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.