Home / 5,234.12-7,851.26-1,904.73

Finding the Fourth Proportional to 5,234.12, 7,851.26 and 1,904.73

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Solution

The fourth proportional to 5,234.12, 7,851.26 and 1,904.73 is: 2,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.12 : 7,851.26 = 1,904.73 : x
  2. Step 2: Convert to fraction form
    5,234.12/7,851.26 = 1,904.73/x
  3. Step 3: Cross multiply
    5,234.12x = 7,851.26 × 1,904.73
  4. Step 4: Simplify right side
    5,234.12x = 14,954,530.46
  5. Step 5: Solve for x
    x = 14,954,530.46/5,234.12
  6. Step 6: Final answer
    x = 2,857.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.