Home / 7,841.10-11,761.88-2,293.85

Finding the Fourth Proportional to 7,841.10, 11,761.88 and 2,293.85

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Solution

The fourth proportional to 7,841.10, 11,761.88 and 2,293.85 is: 3,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.10 : 11,761.88 = 2,293.85 : x
  2. Step 2: Convert to fraction form
    7,841.10/11,761.88 = 2,293.85/x
  3. Step 3: Cross multiply
    7,841.10x = 11,761.88 × 2,293.85
  4. Step 4: Simplify right side
    7,841.10x = 26,980,006.37
  5. Step 5: Solve for x
    x = 26,980,006.37/7,841.10
  6. Step 6: Final answer
    x = 3,440.84

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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.