Home / 6,772.90-10,152.43-2,611.28

Finding the Fourth Proportional to 6,772.90, 10,152.43 and 2,611.28

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Solution

The fourth proportional to 6,772.90, 10,152.43 and 2,611.28 is: 3,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.90 : 10,152.43 = 2,611.28 : x
  2. Step 2: Convert to fraction form
    6,772.90/10,152.43 = 2,611.28/x
  3. Step 3: Cross multiply
    6,772.90x = 10,152.43 × 2,611.28
  4. Step 4: Simplify right side
    6,772.90x = 26,510,780.12
  5. Step 5: Solve for x
    x = 26,510,780.12/6,772.90
  6. Step 6: Final answer
    x = 3,914.24

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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.