Home / 5,183.56-7,153.36-2,825.72

Finding the Fourth Proportional to 5,183.56, 7,153.36 and 2,825.72

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Solution

The fourth proportional to 5,183.56, 7,153.36 and 2,825.72 is: 3,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.56 : 7,153.36 = 2,825.72 : x
  2. Step 2: Convert to fraction form
    5,183.56/7,153.36 = 2,825.72/x
  3. Step 3: Cross multiply
    5,183.56x = 7,153.36 × 2,825.72
  4. Step 4: Simplify right side
    5,183.56x = 20,213,392.42
  5. Step 5: Solve for x
    x = 20,213,392.42/5,183.56
  6. Step 6: Final answer
    x = 3,899.52

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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.