Home / 4,687.46-7,029.90-1,766.60

Finding the Fourth Proportional to 4,687.46, 7,029.90 and 1,766.60

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Solution

The fourth proportional to 4,687.46, 7,029.90 and 1,766.60 is: 2,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.46 : 7,029.90 = 1,766.60 : x
  2. Step 2: Convert to fraction form
    4,687.46/7,029.90 = 1,766.60/x
  3. Step 3: Cross multiply
    4,687.46x = 7,029.90 × 1,766.60
  4. Step 4: Simplify right side
    4,687.46x = 12,419,021.34
  5. Step 5: Solve for x
    x = 12,419,021.34/4,687.46
  6. Step 6: Final answer
    x = 2,649.41

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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.