Home / 4,672.13-7,008.21-1,209.38

Finding the Fourth Proportional to 4,672.13, 7,008.21 and 1,209.38

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Solution

The fourth proportional to 4,672.13, 7,008.21 and 1,209.38 is: 1,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.13 : 7,008.21 = 1,209.38 : x
  2. Step 2: Convert to fraction form
    4,672.13/7,008.21 = 1,209.38/x
  3. Step 3: Cross multiply
    4,672.13x = 7,008.21 × 1,209.38
  4. Step 4: Simplify right side
    4,672.13x = 8,475,553.97
  5. Step 5: Solve for x
    x = 8,475,553.97/4,672.13
  6. Step 6: Final answer
    x = 1,814.07

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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.