Home / 4,120.38-6,172.34-2,476.04

Finding the Fourth Proportional to 4,120.38, 6,172.34 and 2,476.04

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Solution

The fourth proportional to 4,120.38, 6,172.34 and 2,476.04 is: 3,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.38 : 6,172.34 = 2,476.04 : x
  2. Step 2: Convert to fraction form
    4,120.38/6,172.34 = 2,476.04/x
  3. Step 3: Cross multiply
    4,120.38x = 6,172.34 × 2,476.04
  4. Step 4: Simplify right side
    4,120.38x = 15,282,917.49
  5. Step 5: Solve for x
    x = 15,282,917.49/4,120.38
  6. Step 6: Final answer
    x = 3,709.10

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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.