Home / 7,731.03-11,587.59-3,562.29

Finding the Fourth Proportional to 7,731.03, 11,587.59 and 3,562.29

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Solution

The fourth proportional to 7,731.03, 11,587.59 and 3,562.29 is: 5,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.03 : 11,587.59 = 3,562.29 : x
  2. Step 2: Convert to fraction form
    7,731.03/11,587.59 = 3,562.29/x
  3. Step 3: Cross multiply
    7,731.03x = 11,587.59 × 3,562.29
  4. Step 4: Simplify right side
    7,731.03x = 41,278,355.98
  5. Step 5: Solve for x
    x = 41,278,355.98/7,731.03
  6. Step 6: Final answer
    x = 5,339.31

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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.