Home / 3,272.68-4,516.26-2,155.24

Finding the Fourth Proportional to 3,272.68, 4,516.26 and 2,155.24

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Solution

The fourth proportional to 3,272.68, 4,516.26 and 2,155.24 is: 2,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.68 : 4,516.26 = 2,155.24 : x
  2. Step 2: Convert to fraction form
    3,272.68/4,516.26 = 2,155.24/x
  3. Step 3: Cross multiply
    3,272.68x = 4,516.26 × 2,155.24
  4. Step 4: Simplify right side
    3,272.68x = 9,733,624.20
  5. Step 5: Solve for x
    x = 9,733,624.20/3,272.68
  6. Step 6: Final answer
    x = 2,974.21

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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.