Home / 3,066.72-4,230.28-2,226.44

Finding the Fourth Proportional to 3,066.72, 4,230.28 and 2,226.44

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Solution

The fourth proportional to 3,066.72, 4,230.28 and 2,226.44 is: 3,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.72 : 4,230.28 = 2,226.44 : x
  2. Step 2: Convert to fraction form
    3,066.72/4,230.28 = 2,226.44/x
  3. Step 3: Cross multiply
    3,066.72x = 4,230.28 × 2,226.44
  4. Step 4: Simplify right side
    3,066.72x = 9,418,464.60
  5. Step 5: Solve for x
    x = 9,418,464.60/3,066.72
  6. Step 6: Final answer
    x = 3,071.19

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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.