Home / 6,761.76-10,145.40-3,476.04

Finding the Fourth Proportional to 6,761.76, 10,145.40 and 3,476.04

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Solution

The fourth proportional to 6,761.76, 10,145.40 and 3,476.04 is: 5,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.76 : 10,145.40 = 3,476.04 : x
  2. Step 2: Convert to fraction form
    6,761.76/10,145.40 = 3,476.04/x
  3. Step 3: Cross multiply
    6,761.76x = 10,145.40 × 3,476.04
  4. Step 4: Simplify right side
    6,761.76x = 35,265,816.22
  5. Step 5: Solve for x
    x = 35,265,816.22/6,761.76
  6. Step 6: Final answer
    x = 5,215.48

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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.