Home / 5,183.45-7,153.16-2,825.59

Finding the Fourth Proportional to 5,183.45, 7,153.16 and 2,825.59

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Solution

The fourth proportional to 5,183.45, 7,153.16 and 2,825.59 is: 3,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.45 : 7,153.16 = 2,825.59 : x
  2. Step 2: Convert to fraction form
    5,183.45/7,153.16 = 2,825.59/x
  3. Step 3: Cross multiply
    5,183.45x = 7,153.16 × 2,825.59
  4. Step 4: Simplify right side
    5,183.45x = 20,211,863.65
  5. Step 5: Solve for x
    x = 20,211,863.65/5,183.45
  6. Step 6: Final answer
    x = 3,899.31

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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.