Home / 7,218.14-10,828.06-2,835.03

Finding the Fourth Proportional to 7,218.14, 10,828.06 and 2,835.03

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Solution

The fourth proportional to 7,218.14, 10,828.06 and 2,835.03 is: 4,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.14 : 10,828.06 = 2,835.03 : x
  2. Step 2: Convert to fraction form
    7,218.14/10,828.06 = 2,835.03/x
  3. Step 3: Cross multiply
    7,218.14x = 10,828.06 × 2,835.03
  4. Step 4: Simplify right side
    7,218.14x = 30,697,874.94
  5. Step 5: Solve for x
    x = 30,697,874.94/7,218.14
  6. Step 6: Final answer
    x = 4,252.88

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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.