Home / 5,286.24-7,927.44-1,822.64

Finding the Fourth Proportional to 5,286.24, 7,927.44 and 1,822.64

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Solution

The fourth proportional to 5,286.24, 7,927.44 and 1,822.64 is: 2,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.24 : 7,927.44 = 1,822.64 : x
  2. Step 2: Convert to fraction form
    5,286.24/7,927.44 = 1,822.64/x
  3. Step 3: Cross multiply
    5,286.24x = 7,927.44 × 1,822.64
  4. Step 4: Simplify right side
    5,286.24x = 14,448,869.24
  5. Step 5: Solve for x
    x = 14,448,869.24/5,286.24
  6. Step 6: Final answer
    x = 2,733.30

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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.