Home / 3,228.66-4,842.42-1,473.12

Finding the Fourth Proportional to 3,228.66, 4,842.42 and 1,473.12

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Solution

The fourth proportional to 3,228.66, 4,842.42 and 1,473.12 is: 2,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.66 : 4,842.42 = 1,473.12 : x
  2. Step 2: Convert to fraction form
    3,228.66/4,842.42 = 1,473.12/x
  3. Step 3: Cross multiply
    3,228.66x = 4,842.42 × 1,473.12
  4. Step 4: Simplify right side
    3,228.66x = 7,133,465.75
  5. Step 5: Solve for x
    x = 7,133,465.75/3,228.66
  6. Step 6: Final answer
    x = 2,209.42

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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.