Home / 3,666.45-5,496.33-1,909.38

Finding the Fourth Proportional to 3,666.45, 5,496.33 and 1,909.38

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Solution

The fourth proportional to 3,666.45, 5,496.33 and 1,909.38 is: 2,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.45 : 5,496.33 = 1,909.38 : x
  2. Step 2: Convert to fraction form
    3,666.45/5,496.33 = 1,909.38/x
  3. Step 3: Cross multiply
    3,666.45x = 5,496.33 × 1,909.38
  4. Step 4: Simplify right side
    3,666.45x = 10,494,582.58
  5. Step 5: Solve for x
    x = 10,494,582.58/3,666.45
  6. Step 6: Final answer
    x = 2,862.33

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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.