Home / 3,066.68-4,229.88-2,318.24

Finding the Fourth Proportional to 3,066.68, 4,229.88 and 2,318.24

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Solution

The fourth proportional to 3,066.68, 4,229.88 and 2,318.24 is: 3,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.68 : 4,229.88 = 2,318.24 : x
  2. Step 2: Convert to fraction form
    3,066.68/4,229.88 = 2,318.24/x
  3. Step 3: Cross multiply
    3,066.68x = 4,229.88 × 2,318.24
  4. Step 4: Simplify right side
    3,066.68x = 9,805,877.01
  5. Step 5: Solve for x
    x = 9,805,877.01/3,066.68
  6. Step 6: Final answer
    x = 3,197.55

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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.