Home / 3,219.14-4,440.62-1,892.67

Finding the Fourth Proportional to 3,219.14, 4,440.62 and 1,892.67

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Solution

The fourth proportional to 3,219.14, 4,440.62 and 1,892.67 is: 2,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.14 : 4,440.62 = 1,892.67 : x
  2. Step 2: Convert to fraction form
    3,219.14/4,440.62 = 1,892.67/x
  3. Step 3: Cross multiply
    3,219.14x = 4,440.62 × 1,892.67
  4. Step 4: Simplify right side
    3,219.14x = 8,404,616.33
  5. Step 5: Solve for x
    x = 8,404,616.33/3,219.14
  6. Step 6: Final answer
    x = 2,610.82

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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.