Home / 3,209.94-4,812.51-2,167.02

Finding the Fourth Proportional to 3,209.94, 4,812.51 and 2,167.02

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Solution

The fourth proportional to 3,209.94, 4,812.51 and 2,167.02 is: 3,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.94 : 4,812.51 = 2,167.02 : x
  2. Step 2: Convert to fraction form
    3,209.94/4,812.51 = 2,167.02/x
  3. Step 3: Cross multiply
    3,209.94x = 4,812.51 × 2,167.02
  4. Step 4: Simplify right side
    3,209.94x = 10,428,805.42
  5. Step 5: Solve for x
    x = 10,428,805.42/3,209.94
  6. Step 6: Final answer
    x = 3,248.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.