Home / 7,186.17-10,775.31-2,800.02

Finding the Fourth Proportional to 7,186.17, 10,775.31 and 2,800.02

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Solution

The fourth proportional to 7,186.17, 10,775.31 and 2,800.02 is: 4,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.17 : 10,775.31 = 2,800.02 : x
  2. Step 2: Convert to fraction form
    7,186.17/10,775.31 = 2,800.02/x
  3. Step 3: Cross multiply
    7,186.17x = 10,775.31 × 2,800.02
  4. Step 4: Simplify right side
    7,186.17x = 30,171,083.51
  5. Step 5: Solve for x
    x = 30,171,083.51/7,186.17
  6. Step 6: Final answer
    x = 4,198.49

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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.