Home / 5,112.04-7,669.26-2,772.04

Finding the Fourth Proportional to 5,112.04, 7,669.26 and 2,772.04

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Solution

The fourth proportional to 5,112.04, 7,669.26 and 2,772.04 is: 4,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.04 : 7,669.26 = 2,772.04 : x
  2. Step 2: Convert to fraction form
    5,112.04/7,669.26 = 2,772.04/x
  3. Step 3: Cross multiply
    5,112.04x = 7,669.26 × 2,772.04
  4. Step 4: Simplify right side
    5,112.04x = 21,259,495.49
  5. Step 5: Solve for x
    x = 21,259,495.49/5,112.04
  6. Step 6: Final answer
    x = 4,158.71

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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.