Home / 1,863.06-2,571.26-1,201.83

Finding the Fourth Proportional to 1,863.06, 2,571.26 and 1,201.83

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Solution

The fourth proportional to 1,863.06, 2,571.26 and 1,201.83 is: 1,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.06 : 2,571.26 = 1,201.83 : x
  2. Step 2: Convert to fraction form
    1,863.06/2,571.26 = 1,201.83/x
  3. Step 3: Cross multiply
    1,863.06x = 2,571.26 × 1,201.83
  4. Step 4: Simplify right side
    1,863.06x = 3,090,219.36
  5. Step 5: Solve for x
    x = 3,090,219.36/1,863.06
  6. Step 6: Final answer
    x = 1,658.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.