Home / 4,156.75-6,236.68-1,692.19

Finding the Fourth Proportional to 4,156.75, 6,236.68 and 1,692.19

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Solution

The fourth proportional to 4,156.75, 6,236.68 and 1,692.19 is: 2,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.75 : 6,236.68 = 1,692.19 : x
  2. Step 2: Convert to fraction form
    4,156.75/6,236.68 = 1,692.19/x
  3. Step 3: Cross multiply
    4,156.75x = 6,236.68 × 1,692.19
  4. Step 4: Simplify right side
    4,156.75x = 10,553,647.53
  5. Step 5: Solve for x
    x = 10,553,647.53/4,156.75
  6. Step 6: Final answer
    x = 2,538.92

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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.