Home / 3,591.18-5,388.86-1,511.04

Finding the Fourth Proportional to 3,591.18, 5,388.86 and 1,511.04

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Solution

The fourth proportional to 3,591.18, 5,388.86 and 1,511.04 is: 2,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.18 : 5,388.86 = 1,511.04 : x
  2. Step 2: Convert to fraction form
    3,591.18/5,388.86 = 1,511.04/x
  3. Step 3: Cross multiply
    3,591.18x = 5,388.86 × 1,511.04
  4. Step 4: Simplify right side
    3,591.18x = 8,142,786.79
  5. Step 5: Solve for x
    x = 8,142,786.79/3,591.18
  6. Step 6: Final answer
    x = 2,267.44

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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.