Home / 4,255.40-5,857.88-3,692.56

Finding the Fourth Proportional to 4,255.40, 5,857.88 and 3,692.56

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Solution

The fourth proportional to 4,255.40, 5,857.88 and 3,692.56 is: 5,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.40 : 5,857.88 = 3,692.56 : x
  2. Step 2: Convert to fraction form
    4,255.40/5,857.88 = 3,692.56/x
  3. Step 3: Cross multiply
    4,255.40x = 5,857.88 × 3,692.56
  4. Step 4: Simplify right side
    4,255.40x = 21,630,573.37
  5. Step 5: Solve for x
    x = 21,630,573.37/4,255.40
  6. Step 6: Final answer
    x = 5,083.09

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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.