Home / 3,228.54-4,842.41-1,668.08

Finding the Fourth Proportional to 3,228.54, 4,842.41 and 1,668.08

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Solution

The fourth proportional to 3,228.54, 4,842.41 and 1,668.08 is: 2,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.54 : 4,842.41 = 1,668.08 : x
  2. Step 2: Convert to fraction form
    3,228.54/4,842.41 = 1,668.08/x
  3. Step 3: Cross multiply
    3,228.54x = 4,842.41 × 1,668.08
  4. Step 4: Simplify right side
    3,228.54x = 8,077,494.72
  5. Step 5: Solve for x
    x = 8,077,494.72/3,228.54
  6. Step 6: Final answer
    x = 2,501.90

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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.