Home / 5,201.79-7,172.34-4,203.96

Finding the Fourth Proportional to 5,201.79, 7,172.34 and 4,203.96

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Solution

The fourth proportional to 5,201.79, 7,172.34 and 4,203.96 is: 5,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.79 : 7,172.34 = 4,203.96 : x
  2. Step 2: Convert to fraction form
    5,201.79/7,172.34 = 4,203.96/x
  3. Step 3: Cross multiply
    5,201.79x = 7,172.34 × 4,203.96
  4. Step 4: Simplify right side
    5,201.79x = 30,152,230.47
  5. Step 5: Solve for x
    x = 30,152,230.47/5,201.79
  6. Step 6: Final answer
    x = 5,796.51

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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.