Home / 5,183.80-7,153.65-2,825.96

Finding the Fourth Proportional to 5,183.80, 7,153.65 and 2,825.96

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Solution

The fourth proportional to 5,183.80, 7,153.65 and 2,825.96 is: 3,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.80 : 7,153.65 = 2,825.96 : x
  2. Step 2: Convert to fraction form
    5,183.80/7,153.65 = 2,825.96/x
  3. Step 3: Cross multiply
    5,183.80x = 7,153.65 × 2,825.96
  4. Step 4: Simplify right side
    5,183.80x = 20,215,892.99
  5. Step 5: Solve for x
    x = 20,215,892.99/5,183.80
  6. Step 6: Final answer
    x = 3,899.82

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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.