Home / 5,203.29-7,172.10-3,209.52

Finding the Fourth Proportional to 5,203.29, 7,172.10 and 3,209.52

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Solution

The fourth proportional to 5,203.29, 7,172.10 and 3,209.52 is: 4,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.29 : 7,172.10 = 3,209.52 : x
  2. Step 2: Convert to fraction form
    5,203.29/7,172.10 = 3,209.52/x
  3. Step 3: Cross multiply
    5,203.29x = 7,172.10 × 3,209.52
  4. Step 4: Simplify right side
    5,203.29x = 23,018,998.39
  5. Step 5: Solve for x
    x = 23,018,998.39/5,203.29
  6. Step 6: Final answer
    x = 4,423.93

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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.