Home / 4,692.72-7,039.19-2,227.79

Finding the Fourth Proportional to 4,692.72, 7,039.19 and 2,227.79

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Solution

The fourth proportional to 4,692.72, 7,039.19 and 2,227.79 is: 3,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.72 : 7,039.19 = 2,227.79 : x
  2. Step 2: Convert to fraction form
    4,692.72/7,039.19 = 2,227.79/x
  3. Step 3: Cross multiply
    4,692.72x = 7,039.19 × 2,227.79
  4. Step 4: Simplify right side
    4,692.72x = 15,681,837.09
  5. Step 5: Solve for x
    x = 15,681,837.09/4,692.72
  6. Step 6: Final answer
    x = 3,341.74

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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.