Home / 4,118.67-6,178.01-1,928.94

Finding the Fourth Proportional to 4,118.67, 6,178.01 and 1,928.94

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Solution

The fourth proportional to 4,118.67, 6,178.01 and 1,928.94 is: 2,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.67 : 6,178.01 = 1,928.94 : x
  2. Step 2: Convert to fraction form
    4,118.67/6,178.01 = 1,928.94/x
  3. Step 3: Cross multiply
    4,118.67x = 6,178.01 × 1,928.94
  4. Step 4: Simplify right side
    4,118.67x = 11,917,000.96
  5. Step 5: Solve for x
    x = 11,917,000.96/4,118.67
  6. Step 6: Final answer
    x = 2,893.41

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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.