Home / 5,578.85-7,692.81-4,236.94

Finding the Fourth Proportional to 5,578.85, 7,692.81 and 4,236.94

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Solution

The fourth proportional to 5,578.85, 7,692.81 and 4,236.94 is: 5,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.85 : 7,692.81 = 4,236.94 : x
  2. Step 2: Convert to fraction form
    5,578.85/7,692.81 = 4,236.94/x
  3. Step 3: Cross multiply
    5,578.85x = 7,692.81 × 4,236.94
  4. Step 4: Simplify right side
    5,578.85x = 32,593,914.75
  5. Step 5: Solve for x
    x = 32,593,914.75/5,578.85
  6. Step 6: Final answer
    x = 5,842.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.