Home / 5,183.60-7,153.39-2,825.66

Finding the Fourth Proportional to 5,183.60, 7,153.39 and 2,825.66

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Solution

The fourth proportional to 5,183.60, 7,153.39 and 2,825.66 is: 3,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.60 : 7,153.39 = 2,825.66 : x
  2. Step 2: Convert to fraction form
    5,183.60/7,153.39 = 2,825.66/x
  3. Step 3: Cross multiply
    5,183.60x = 7,153.39 × 2,825.66
  4. Step 4: Simplify right side
    5,183.60x = 20,213,005.16
  5. Step 5: Solve for x
    x = 20,213,005.16/5,183.60
  6. Step 6: Final answer
    x = 3,899.42

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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.