Home / 3,226.15-4,453.45-2,179.63

Finding the Fourth Proportional to 3,226.15, 4,453.45 and 2,179.63

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Solution

The fourth proportional to 3,226.15, 4,453.45 and 2,179.63 is: 3,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.15 : 4,453.45 = 2,179.63 : x
  2. Step 2: Convert to fraction form
    3,226.15/4,453.45 = 2,179.63/x
  3. Step 3: Cross multiply
    3,226.15x = 4,453.45 × 2,179.63
  4. Step 4: Simplify right side
    3,226.15x = 9,706,889.81
  5. Step 5: Solve for x
    x = 9,706,889.81/3,226.15
  6. Step 6: Final answer
    x = 3,008.81

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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.