Home / 2,558.37-3,837.92-1,172.06

Finding the Fourth Proportional to 2,558.37, 3,837.92 and 1,172.06

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Solution

The fourth proportional to 2,558.37, 3,837.92 and 1,172.06 is: 1,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.37 : 3,837.92 = 1,172.06 : x
  2. Step 2: Convert to fraction form
    2,558.37/3,837.92 = 1,172.06/x
  3. Step 3: Cross multiply
    2,558.37x = 3,837.92 × 1,172.06
  4. Step 4: Simplify right side
    2,558.37x = 4,498,247.47
  5. Step 5: Solve for x
    x = 4,498,247.47/2,558.37
  6. Step 6: Final answer
    x = 1,758.25

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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.