Home / 4,468.54-6,689.82-3,172.54

Finding the Fourth Proportional to 4,468.54, 6,689.82 and 3,172.54

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Solution

The fourth proportional to 4,468.54, 6,689.82 and 3,172.54 is: 4,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.54 : 6,689.82 = 3,172.54 : x
  2. Step 2: Convert to fraction form
    4,468.54/6,689.82 = 3,172.54/x
  3. Step 3: Cross multiply
    4,468.54x = 6,689.82 × 3,172.54
  4. Step 4: Simplify right side
    4,468.54x = 21,223,721.54
  5. Step 5: Solve for x
    x = 21,223,721.54/4,468.54
  6. Step 6: Final answer
    x = 4,749.59

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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.