Home / 7,929.41-11,885.21-3,766.01

Finding the Fourth Proportional to 7,929.41, 11,885.21 and 3,766.01

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Solution

The fourth proportional to 7,929.41, 11,885.21 and 3,766.01 is: 5,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.41 : 11,885.21 = 3,766.01 : x
  2. Step 2: Convert to fraction form
    7,929.41/11,885.21 = 3,766.01/x
  3. Step 3: Cross multiply
    7,929.41x = 11,885.21 × 3,766.01
  4. Step 4: Simplify right side
    7,929.41x = 44,759,800.88
  5. Step 5: Solve for x
    x = 44,759,800.88/7,929.41
  6. Step 6: Final answer
    x = 5,644.78

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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.