Home / 4,206.78-6,309.63-3,481.02

Finding the Fourth Proportional to 4,206.78, 6,309.63 and 3,481.02

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Solution

The fourth proportional to 4,206.78, 6,309.63 and 3,481.02 is: 5,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.78 : 6,309.63 = 3,481.02 : x
  2. Step 2: Convert to fraction form
    4,206.78/6,309.63 = 3,481.02/x
  3. Step 3: Cross multiply
    4,206.78x = 6,309.63 × 3,481.02
  4. Step 4: Simplify right side
    4,206.78x = 21,963,948.22
  5. Step 5: Solve for x
    x = 21,963,948.22/4,206.78
  6. Step 6: Final answer
    x = 5,221.08

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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.