Home / 7,028.96-10,553.16-3,568.64

Finding the Fourth Proportional to 7,028.96, 10,553.16 and 3,568.64

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Solution

The fourth proportional to 7,028.96, 10,553.16 and 3,568.64 is: 5,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.96 : 10,553.16 = 3,568.64 : x
  2. Step 2: Convert to fraction form
    7,028.96/10,553.16 = 3,568.64/x
  3. Step 3: Cross multiply
    7,028.96x = 10,553.16 × 3,568.64
  4. Step 4: Simplify right side
    7,028.96x = 37,660,428.90
  5. Step 5: Solve for x
    x = 37,660,428.90/7,028.96
  6. Step 6: Final answer
    x = 5,357.89

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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.