Home / 5,296.73-7,309.91-2,939.63

Finding the Fourth Proportional to 5,296.73, 7,309.91 and 2,939.63

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Solution

The fourth proportional to 5,296.73, 7,309.91 and 2,939.63 is: 4,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.73 : 7,309.91 = 2,939.63 : x
  2. Step 2: Convert to fraction form
    5,296.73/7,309.91 = 2,939.63/x
  3. Step 3: Cross multiply
    5,296.73x = 7,309.91 × 2,939.63
  4. Step 4: Simplify right side
    5,296.73x = 21,488,401.53
  5. Step 5: Solve for x
    x = 21,488,401.53/5,296.73
  6. Step 6: Final answer
    x = 4,056.92

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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.