Home / 7,703.31-11,553.76-2,509.15

Finding the Fourth Proportional to 7,703.31, 11,553.76 and 2,509.15

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Solution

The fourth proportional to 7,703.31, 11,553.76 and 2,509.15 is: 3,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.31 : 11,553.76 = 2,509.15 : x
  2. Step 2: Convert to fraction form
    7,703.31/11,553.76 = 2,509.15/x
  3. Step 3: Cross multiply
    7,703.31x = 11,553.76 × 2,509.15
  4. Step 4: Simplify right side
    7,703.31x = 28,990,116.90
  5. Step 5: Solve for x
    x = 28,990,116.90/7,703.31
  6. Step 6: Final answer
    x = 3,763.33

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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.