Home / 2,471.38-3,707.07-1,172.14

Finding the Fourth Proportional to 2,471.38, 3,707.07 and 1,172.14

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Solution

The fourth proportional to 2,471.38, 3,707.07 and 1,172.14 is: 1,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.38 : 3,707.07 = 1,172.14 : x
  2. Step 2: Convert to fraction form
    2,471.38/3,707.07 = 1,172.14/x
  3. Step 3: Cross multiply
    2,471.38x = 3,707.07 × 1,172.14
  4. Step 4: Simplify right side
    2,471.38x = 4,345,205.03
  5. Step 5: Solve for x
    x = 4,345,205.03/2,471.38
  6. Step 6: Final answer
    x = 1,758.21

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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.