Home / 7,072.38-10,599.45-2,907.38

Finding the Fourth Proportional to 7,072.38, 10,599.45 and 2,907.38

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Solution

The fourth proportional to 7,072.38, 10,599.45 and 2,907.38 is: 4,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.38 : 10,599.45 = 2,907.38 : x
  2. Step 2: Convert to fraction form
    7,072.38/10,599.45 = 2,907.38/x
  3. Step 3: Cross multiply
    7,072.38x = 10,599.45 × 2,907.38
  4. Step 4: Simplify right side
    7,072.38x = 30,816,628.94
  5. Step 5: Solve for x
    x = 30,816,628.94/7,072.38
  6. Step 6: Final answer
    x = 4,357.32

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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.