Home / 4,066.66-5,607.88-3,318.22

Finding the Fourth Proportional to 4,066.66, 5,607.88 and 3,318.22

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Solution

The fourth proportional to 4,066.66, 5,607.88 and 3,318.22 is: 4,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.66 : 5,607.88 = 3,318.22 : x
  2. Step 2: Convert to fraction form
    4,066.66/5,607.88 = 3,318.22/x
  3. Step 3: Cross multiply
    4,066.66x = 5,607.88 × 3,318.22
  4. Step 4: Simplify right side
    4,066.66x = 18,608,179.57
  5. Step 5: Solve for x
    x = 18,608,179.57/4,066.66
  6. Step 6: Final answer
    x = 4,575.79

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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.