Home / 6,930.55-10,400.84-2,714.43

Finding the Fourth Proportional to 6,930.55, 10,400.84 and 2,714.43

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Solution

The fourth proportional to 6,930.55, 10,400.84 and 2,714.43 is: 4,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.55 : 10,400.84 = 2,714.43 : x
  2. Step 2: Convert to fraction form
    6,930.55/10,400.84 = 2,714.43/x
  3. Step 3: Cross multiply
    6,930.55x = 10,400.84 × 2,714.43
  4. Step 4: Simplify right side
    6,930.55x = 28,232,352.12
  5. Step 5: Solve for x
    x = 28,232,352.12/6,930.55
  6. Step 6: Final answer
    x = 4,073.61

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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.