Home / 6,784.98-10,178.92-2,104.88

Finding the Fourth Proportional to 6,784.98, 10,178.92 and 2,104.88

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Solution

The fourth proportional to 6,784.98, 10,178.92 and 2,104.88 is: 3,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.98 : 10,178.92 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    6,784.98/10,178.92 = 2,104.88/x
  3. Step 3: Cross multiply
    6,784.98x = 10,178.92 × 2,104.88
  4. Step 4: Simplify right side
    6,784.98x = 21,425,405.13
  5. Step 5: Solve for x
    x = 21,425,405.13/6,784.98
  6. Step 6: Final answer
    x = 3,157.77

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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.