Home / 5,168.73-7,132.70-2,930.81

Finding the Fourth Proportional to 5,168.73, 7,132.70 and 2,930.81

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Solution

The fourth proportional to 5,168.73, 7,132.70 and 2,930.81 is: 4,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.73 : 7,132.70 = 2,930.81 : x
  2. Step 2: Convert to fraction form
    5,168.73/7,132.70 = 2,930.81/x
  3. Step 3: Cross multiply
    5,168.73x = 7,132.70 × 2,930.81
  4. Step 4: Simplify right side
    5,168.73x = 20,904,573.83
  5. Step 5: Solve for x
    x = 20,904,573.83/5,168.73
  6. Step 6: Final answer
    x = 4,044.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.