Home / 4,114.48-6,178.20-3,631.60

Finding the Fourth Proportional to 4,114.48, 6,178.20 and 3,631.60

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Solution

The fourth proportional to 4,114.48, 6,178.20 and 3,631.60 is: 5,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.48 : 6,178.20 = 3,631.60 : x
  2. Step 2: Convert to fraction form
    4,114.48/6,178.20 = 3,631.60/x
  3. Step 3: Cross multiply
    4,114.48x = 6,178.20 × 3,631.60
  4. Step 4: Simplify right side
    4,114.48x = 22,436,751.12
  5. Step 5: Solve for x
    x = 22,436,751.12/4,114.48
  6. Step 6: Final answer
    x = 5,453.12

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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.