Home / 3,114.96-4,672.44-1,383.12

Finding the Fourth Proportional to 3,114.96, 4,672.44 and 1,383.12

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Solution

The fourth proportional to 3,114.96, 4,672.44 and 1,383.12 is: 2,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.96 : 4,672.44 = 1,383.12 : x
  2. Step 2: Convert to fraction form
    3,114.96/4,672.44 = 1,383.12/x
  3. Step 3: Cross multiply
    3,114.96x = 4,672.44 × 1,383.12
  4. Step 4: Simplify right side
    3,114.96x = 6,462,545.21
  5. Step 5: Solve for x
    x = 6,462,545.21/3,114.96
  6. Step 6: Final answer
    x = 2,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.