Home / 5,729.96-8,586.78-3,390.44

Finding the Fourth Proportional to 5,729.96, 8,586.78 and 3,390.44

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Solution

The fourth proportional to 5,729.96, 8,586.78 and 3,390.44 is: 5,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.96 : 8,586.78 = 3,390.44 : x
  2. Step 2: Convert to fraction form
    5,729.96/8,586.78 = 3,390.44/x
  3. Step 3: Cross multiply
    5,729.96x = 8,586.78 × 3,390.44
  4. Step 4: Simplify right side
    5,729.96x = 29,112,962.38
  5. Step 5: Solve for x
    x = 29,112,962.38/5,729.96
  6. Step 6: Final answer
    x = 5,080.83

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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.