Home / 7,186.14-10,787.31-3,907.26

Finding the Fourth Proportional to 7,186.14, 10,787.31 and 3,907.26

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Solution

The fourth proportional to 7,186.14, 10,787.31 and 3,907.26 is: 5,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.14 : 10,787.31 = 3,907.26 : x
  2. Step 2: Convert to fraction form
    7,186.14/10,787.31 = 3,907.26/x
  3. Step 3: Cross multiply
    7,186.14x = 10,787.31 × 3,907.26
  4. Step 4: Simplify right side
    7,186.14x = 42,148,824.87
  5. Step 5: Solve for x
    x = 42,148,824.87/7,186.14
  6. Step 6: Final answer
    x = 5,865.29

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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.