Home / 5,178.93-7,183.53-4,992.12

Finding the Fourth Proportional to 5,178.93, 7,183.53 and 4,992.12

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Solution

The fourth proportional to 5,178.93, 7,183.53 and 4,992.12 is: 6,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.93 : 7,183.53 = 4,992.12 : x
  2. Step 2: Convert to fraction form
    5,178.93/7,183.53 = 4,992.12/x
  3. Step 3: Cross multiply
    5,178.93x = 7,183.53 × 4,992.12
  4. Step 4: Simplify right side
    5,178.93x = 35,861,043.78
  5. Step 5: Solve for x
    x = 35,861,043.78/5,178.93
  6. Step 6: Final answer
    x = 6,924.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.