Home / 2,591.07-3,884.48-1,205.27

Finding the Fourth Proportional to 2,591.07, 3,884.48 and 1,205.27

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Solution

The fourth proportional to 2,591.07, 3,884.48 and 1,205.27 is: 1,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.07 : 3,884.48 = 1,205.27 : x
  2. Step 2: Convert to fraction form
    2,591.07/3,884.48 = 1,205.27/x
  3. Step 3: Cross multiply
    2,591.07x = 3,884.48 × 1,205.27
  4. Step 4: Simplify right side
    2,591.07x = 4,681,847.21
  5. Step 5: Solve for x
    x = 4,681,847.21/2,591.07
  6. Step 6: Final answer
    x = 1,806.92

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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.