Home / 5,183.66-7,153.43-2,825.81

Finding the Fourth Proportional to 5,183.66, 7,153.43 and 2,825.81

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Solution

The fourth proportional to 5,183.66, 7,153.43 and 2,825.81 is: 3,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.66 : 7,153.43 = 2,825.81 : x
  2. Step 2: Convert to fraction form
    5,183.66/7,153.43 = 2,825.81/x
  3. Step 3: Cross multiply
    5,183.66x = 7,153.43 × 2,825.81
  4. Step 4: Simplify right side
    5,183.66x = 20,214,205.33
  5. Step 5: Solve for x
    x = 20,214,205.33/5,183.66
  6. Step 6: Final answer
    x = 3,899.60

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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.