Home / 4,116.87-6,172.10-2,141.62

Finding the Fourth Proportional to 4,116.87, 6,172.10 and 2,141.62

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Solution

The fourth proportional to 4,116.87, 6,172.10 and 2,141.62 is: 3,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.87 : 6,172.10 = 2,141.62 : x
  2. Step 2: Convert to fraction form
    4,116.87/6,172.10 = 2,141.62/x
  3. Step 3: Cross multiply
    4,116.87x = 6,172.10 × 2,141.62
  4. Step 4: Simplify right side
    4,116.87x = 13,218,274.69
  5. Step 5: Solve for x
    x = 13,218,274.69/4,116.87
  6. Step 6: Final answer
    x = 3,210.76

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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.