Home / 3,150.60-4,337.46-2,682.12

Finding the Fourth Proportional to 3,150.60, 4,337.46 and 2,682.12

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Solution

The fourth proportional to 3,150.60, 4,337.46 and 2,682.12 is: 3,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.60 : 4,337.46 = 2,682.12 : x
  2. Step 2: Convert to fraction form
    3,150.60/4,337.46 = 2,682.12/x
  3. Step 3: Cross multiply
    3,150.60x = 4,337.46 × 2,682.12
  4. Step 4: Simplify right side
    3,150.60x = 11,633,588.22
  5. Step 5: Solve for x
    x = 11,633,588.22/3,150.60
  6. Step 6: Final answer
    x = 3,692.50

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Half scale
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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.