Home / 7,022.76-10,531.96-2,091.48

Finding the Fourth Proportional to 7,022.76, 10,531.96 and 2,091.48

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Solution

The fourth proportional to 7,022.76, 10,531.96 and 2,091.48 is: 3,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.76 : 10,531.96 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    7,022.76/10,531.96 = 2,091.48/x
  3. Step 3: Cross multiply
    7,022.76x = 10,531.96 × 2,091.48
  4. Step 4: Simplify right side
    7,022.76x = 22,027,383.70
  5. Step 5: Solve for x
    x = 22,027,383.70/7,022.76
  6. Step 6: Final answer
    x = 3,136.57

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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.