Home / 5,965.20-8,231.36-3,312.54

Finding the Fourth Proportional to 5,965.20, 8,231.36 and 3,312.54

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Solution

The fourth proportional to 5,965.20, 8,231.36 and 3,312.54 is: 4,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.20 : 8,231.36 = 3,312.54 : x
  2. Step 2: Convert to fraction form
    5,965.20/8,231.36 = 3,312.54/x
  3. Step 3: Cross multiply
    5,965.20x = 8,231.36 × 3,312.54
  4. Step 4: Simplify right side
    5,965.20x = 27,266,692.69
  5. Step 5: Solve for x
    x = 27,266,692.69/5,965.20
  6. Step 6: Final answer
    x = 4,570.96

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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.