Home / 7,236.28-10,857.80-2,559.82

Finding the Fourth Proportional to 7,236.28, 10,857.80 and 2,559.82

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Solution

The fourth proportional to 7,236.28, 10,857.80 and 2,559.82 is: 3,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.28 : 10,857.80 = 2,559.82 : x
  2. Step 2: Convert to fraction form
    7,236.28/10,857.80 = 2,559.82/x
  3. Step 3: Cross multiply
    7,236.28x = 10,857.80 × 2,559.82
  4. Step 4: Simplify right side
    7,236.28x = 27,794,013.60
  5. Step 5: Solve for x
    x = 27,794,013.60/7,236.28
  6. Step 6: Final answer
    x = 3,840.93

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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.