Home / 5,209.26-7,810.23-2,610.36

Finding the Fourth Proportional to 5,209.26, 7,810.23 and 2,610.36

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Solution

The fourth proportional to 5,209.26, 7,810.23 and 2,610.36 is: 3,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.26 : 7,810.23 = 2,610.36 : x
  2. Step 2: Convert to fraction form
    5,209.26/7,810.23 = 2,610.36/x
  3. Step 3: Cross multiply
    5,209.26x = 7,810.23 × 2,610.36
  4. Step 4: Simplify right side
    5,209.26x = 20,387,511.98
  5. Step 5: Solve for x
    x = 20,387,511.98/5,209.26
  6. Step 6: Final answer
    x = 3,913.71

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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.