Home / 3,272.28-4,515.22-1,945.94

Finding the Fourth Proportional to 3,272.28, 4,515.22 and 1,945.94

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Solution

The fourth proportional to 3,272.28, 4,515.22 and 1,945.94 is: 2,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.28 : 4,515.22 = 1,945.94 : x
  2. Step 2: Convert to fraction form
    3,272.28/4,515.22 = 1,945.94/x
  3. Step 3: Cross multiply
    3,272.28x = 4,515.22 × 1,945.94
  4. Step 4: Simplify right side
    3,272.28x = 8,786,347.21
  5. Step 5: Solve for x
    x = 8,786,347.21/3,272.28
  6. Step 6: Final answer
    x = 2,685.08

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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.