Home / 2,331.26-3,216.36-1,583.92

Finding the Fourth Proportional to 2,331.26, 3,216.36 and 1,583.92

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Solution

The fourth proportional to 2,331.26, 3,216.36 and 1,583.92 is: 2,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.26 : 3,216.36 = 1,583.92 : x
  2. Step 2: Convert to fraction form
    2,331.26/3,216.36 = 1,583.92/x
  3. Step 3: Cross multiply
    2,331.26x = 3,216.36 × 1,583.92
  4. Step 4: Simplify right side
    2,331.26x = 5,094,456.93
  5. Step 5: Solve for x
    x = 5,094,456.93/2,331.26
  6. Step 6: Final answer
    x = 2,185.28

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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.