Home / 4,116.90-6,189-3,812.52

Finding the Fourth Proportional to 4,116.90, 6,189 and 3,812.52

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Solution

The fourth proportional to 4,116.90, 6,189 and 3,812.52 is: 5,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.90 : 6,189 = 3,812.52 : x
  2. Step 2: Convert to fraction form
    4,116.90/6,189 = 3,812.52/x
  3. Step 3: Cross multiply
    4,116.90x = 6,189 × 3,812.52
  4. Step 4: Simplify right side
    4,116.90x = 23,595,686.28
  5. Step 5: Solve for x
    x = 23,595,686.28/4,116.90
  6. Step 6: Final answer
    x = 5,731.42

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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.