Home / 7,729.33-10,666.55-4,192.62

Finding the Fourth Proportional to 7,729.33, 10,666.55 and 4,192.62

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Solution

The fourth proportional to 7,729.33, 10,666.55 and 4,192.62 is: 5,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.33 : 10,666.55 = 4,192.62 : x
  2. Step 2: Convert to fraction form
    7,729.33/10,666.55 = 4,192.62/x
  3. Step 3: Cross multiply
    7,729.33x = 10,666.55 × 4,192.62
  4. Step 4: Simplify right side
    7,729.33x = 44,720,790.86
  5. Step 5: Solve for x
    x = 44,720,790.86/7,729.33
  6. Step 6: Final answer
    x = 5,785.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.