Home / 5,231.02-7,849.39-2,309.23

Finding the Fourth Proportional to 5,231.02, 7,849.39 and 2,309.23

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Solution

The fourth proportional to 5,231.02, 7,849.39 and 2,309.23 is: 3,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.02 : 7,849.39 = 2,309.23 : x
  2. Step 2: Convert to fraction form
    5,231.02/7,849.39 = 2,309.23/x
  3. Step 3: Cross multiply
    5,231.02x = 7,849.39 × 2,309.23
  4. Step 4: Simplify right side
    5,231.02x = 18,126,046.87
  5. Step 5: Solve for x
    x = 18,126,046.87/5,231.02
  6. Step 6: Final answer
    x = 3,465.11

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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.