Home / 6,778.64-10,167.80-1,848.56

Finding the Fourth Proportional to 6,778.64, 10,167.80 and 1,848.56

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Solution

The fourth proportional to 6,778.64, 10,167.80 and 1,848.56 is: 2,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.64 : 10,167.80 = 1,848.56 : x
  2. Step 2: Convert to fraction form
    6,778.64/10,167.80 = 1,848.56/x
  3. Step 3: Cross multiply
    6,778.64x = 10,167.80 × 1,848.56
  4. Step 4: Simplify right side
    6,778.64x = 18,795,788.37
  5. Step 5: Solve for x
    x = 18,795,788.37/6,778.64
  6. Step 6: Final answer
    x = 2,772.80

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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.