Home / 7,732.26-11,595.76-2,800.78

Finding the Fourth Proportional to 7,732.26, 11,595.76 and 2,800.78

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Solution

The fourth proportional to 7,732.26, 11,595.76 and 2,800.78 is: 4,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.26 : 11,595.76 = 2,800.78 : x
  2. Step 2: Convert to fraction form
    7,732.26/11,595.76 = 2,800.78/x
  3. Step 3: Cross multiply
    7,732.26x = 11,595.76 × 2,800.78
  4. Step 4: Simplify right side
    7,732.26x = 32,477,136.70
  5. Step 5: Solve for x
    x = 32,477,136.70/7,732.26
  6. Step 6: Final answer
    x = 4,200.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.