Home / 3,272.19-4,517.47-2,154.99

Finding the Fourth Proportional to 3,272.19, 4,517.47 and 2,154.99

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Solution

The fourth proportional to 3,272.19, 4,517.47 and 2,154.99 is: 2,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.19 : 4,517.47 = 2,154.99 : x
  2. Step 2: Convert to fraction form
    3,272.19/4,517.47 = 2,154.99/x
  3. Step 3: Cross multiply
    3,272.19x = 4,517.47 × 2,154.99
  4. Step 4: Simplify right side
    3,272.19x = 9,735,102.68
  5. Step 5: Solve for x
    x = 9,735,102.68/3,272.19
  6. Step 6: Final answer
    x = 2,975.10

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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.