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Finding the Fourth Proportional to 4,158.72, 6,238.13 and 1,692.99

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Solution

The fourth proportional to 4,158.72, 6,238.13 and 1,692.99 is: 2,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.72 : 6,238.13 = 1,692.99 : x
  2. Step 2: Convert to fraction form
    4,158.72/6,238.13 = 1,692.99/x
  3. Step 3: Cross multiply
    4,158.72x = 6,238.13 × 1,692.99
  4. Step 4: Simplify right side
    4,158.72x = 10,561,083.24
  5. Step 5: Solve for x
    x = 10,561,083.24/4,158.72
  6. Step 6: Final answer
    x = 2,539.50

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1.5x scale

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.