Home / 3,458.89-5,191.11-1,816.41

Finding the Fourth Proportional to 3,458.89, 5,191.11 and 1,816.41

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Solution

The fourth proportional to 3,458.89, 5,191.11 and 1,816.41 is: 2,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.89 : 5,191.11 = 1,816.41 : x
  2. Step 2: Convert to fraction form
    3,458.89/5,191.11 = 1,816.41/x
  3. Step 3: Cross multiply
    3,458.89x = 5,191.11 × 1,816.41
  4. Step 4: Simplify right side
    3,458.89x = 9,429,184.12
  5. Step 5: Solve for x
    x = 9,429,184.12/3,458.89
  6. Step 6: Final answer
    x = 2,726.07

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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.