Home / 3,167.37-4,372.19-2,835.21

Finding the Fourth Proportional to 3,167.37, 4,372.19 and 2,835.21

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Solution

The fourth proportional to 3,167.37, 4,372.19 and 2,835.21 is: 3,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.37 : 4,372.19 = 2,835.21 : x
  2. Step 2: Convert to fraction form
    3,167.37/4,372.19 = 2,835.21/x
  3. Step 3: Cross multiply
    3,167.37x = 4,372.19 × 2,835.21
  4. Step 4: Simplify right side
    3,167.37x = 12,396,076.81
  5. Step 5: Solve for x
    x = 12,396,076.81/3,167.37
  6. Step 6: Final answer
    x = 3,913.68

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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.