Home / 7,555.68-11,323.80-3,171.96

Finding the Fourth Proportional to 7,555.68, 11,323.80 and 3,171.96

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Solution

The fourth proportional to 7,555.68, 11,323.80 and 3,171.96 is: 4,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.68 : 11,323.80 = 3,171.96 : x
  2. Step 2: Convert to fraction form
    7,555.68/11,323.80 = 3,171.96/x
  3. Step 3: Cross multiply
    7,555.68x = 11,323.80 × 3,171.96
  4. Step 4: Simplify right side
    7,555.68x = 35,918,640.65
  5. Step 5: Solve for x
    x = 35,918,640.65/7,555.68
  6. Step 6: Final answer
    x = 4,753.86

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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.