Home / 4,892.14-7,332.73-2,121.13

Finding the Fourth Proportional to 4,892.14, 7,332.73 and 2,121.13

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Solution

The fourth proportional to 4,892.14, 7,332.73 and 2,121.13 is: 3,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.14 : 7,332.73 = 2,121.13 : x
  2. Step 2: Convert to fraction form
    4,892.14/7,332.73 = 2,121.13/x
  3. Step 3: Cross multiply
    4,892.14x = 7,332.73 × 2,121.13
  4. Step 4: Simplify right side
    4,892.14x = 15,553,673.58
  5. Step 5: Solve for x
    x = 15,553,673.58/4,892.14
  6. Step 6: Final answer
    x = 3,179.32

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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.