Home / 5,172.54-7,752.73-2,708.52

Finding the Fourth Proportional to 5,172.54, 7,752.73 and 2,708.52

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Solution

The fourth proportional to 5,172.54, 7,752.73 and 2,708.52 is: 4,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.54 : 7,752.73 = 2,708.52 : x
  2. Step 2: Convert to fraction form
    5,172.54/7,752.73 = 2,708.52/x
  3. Step 3: Cross multiply
    5,172.54x = 7,752.73 × 2,708.52
  4. Step 4: Simplify right side
    5,172.54x = 20,998,371.95
  5. Step 5: Solve for x
    x = 20,998,371.95/5,172.54
  6. Step 6: Final answer
    x = 4,059.59

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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.