Home / 3,491.96-5,239.73-2,322.79

Finding the Fourth Proportional to 3,491.96, 5,239.73 and 2,322.79

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Solution

The fourth proportional to 3,491.96, 5,239.73 and 2,322.79 is: 3,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.96 : 5,239.73 = 2,322.79 : x
  2. Step 2: Convert to fraction form
    3,491.96/5,239.73 = 2,322.79/x
  3. Step 3: Cross multiply
    3,491.96x = 5,239.73 × 2,322.79
  4. Step 4: Simplify right side
    3,491.96x = 12,170,767.73
  5. Step 5: Solve for x
    x = 12,170,767.73/3,491.96
  6. Step 6: Final answer
    x = 3,485.37

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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.