Home / 2,850.45-3,933.34-1,591.10

Finding the Fourth Proportional to 2,850.45, 3,933.34 and 1,591.10

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Solution

The fourth proportional to 2,850.45, 3,933.34 and 1,591.10 is: 2,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.45 : 3,933.34 = 1,591.10 : x
  2. Step 2: Convert to fraction form
    2,850.45/3,933.34 = 1,591.10/x
  3. Step 3: Cross multiply
    2,850.45x = 3,933.34 × 1,591.10
  4. Step 4: Simplify right side
    2,850.45x = 6,258,337.27
  5. Step 5: Solve for x
    x = 6,258,337.27/2,850.45
  6. Step 6: Final answer
    x = 2,195.56

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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.