Home / 2,591.22-3,866.91-2,576.43

Finding the Fourth Proportional to 2,591.22, 3,866.91 and 2,576.43

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Solution

The fourth proportional to 2,591.22, 3,866.91 and 2,576.43 is: 3,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.22 : 3,866.91 = 2,576.43 : x
  2. Step 2: Convert to fraction form
    2,591.22/3,866.91 = 2,576.43/x
  3. Step 3: Cross multiply
    2,591.22x = 3,866.91 × 2,576.43
  4. Step 4: Simplify right side
    2,591.22x = 9,962,822.93
  5. Step 5: Solve for x
    x = 9,962,822.93/2,591.22
  6. Step 6: Final answer
    x = 3,844.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.