Home / 4,687.96-7,031.67-1,766.02

Finding the Fourth Proportional to 4,687.96, 7,031.67 and 1,766.02

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Solution

The fourth proportional to 4,687.96, 7,031.67 and 1,766.02 is: 2,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.96 : 7,031.67 = 1,766.02 : x
  2. Step 2: Convert to fraction form
    4,687.96/7,031.67 = 1,766.02/x
  3. Step 3: Cross multiply
    4,687.96x = 7,031.67 × 1,766.02
  4. Step 4: Simplify right side
    4,687.96x = 12,418,069.85
  5. Step 5: Solve for x
    x = 12,418,069.85/4,687.96
  6. Step 6: Final answer
    x = 2,648.93

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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.