Home / 3,272.35-4,516.82-2,154.15

Finding the Fourth Proportional to 3,272.35, 4,516.82 and 2,154.15

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Solution

The fourth proportional to 3,272.35, 4,516.82 and 2,154.15 is: 2,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.35 : 4,516.82 = 2,154.15 : x
  2. Step 2: Convert to fraction form
    3,272.35/4,516.82 = 2,154.15/x
  3. Step 3: Cross multiply
    3,272.35x = 4,516.82 × 2,154.15
  4. Step 4: Simplify right side
    3,272.35x = 9,729,907.80
  5. Step 5: Solve for x
    x = 9,729,907.80/3,272.35
  6. Step 6: Final answer
    x = 2,973.37

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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.