Home / 6,907.56-10,355.75-2,161.27

Finding the Fourth Proportional to 6,907.56, 10,355.75 and 2,161.27

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Solution

The fourth proportional to 6,907.56, 10,355.75 and 2,161.27 is: 3,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.56 : 10,355.75 = 2,161.27 : x
  2. Step 2: Convert to fraction form
    6,907.56/10,355.75 = 2,161.27/x
  3. Step 3: Cross multiply
    6,907.56x = 10,355.75 × 2,161.27
  4. Step 4: Simplify right side
    6,907.56x = 22,381,611.17
  5. Step 5: Solve for x
    x = 22,381,611.17/6,907.56
  6. Step 6: Final answer
    x = 3,240.16

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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.