Home / 2,772.42-4,142.39-2,675.52

Finding the Fourth Proportional to 2,772.42, 4,142.39 and 2,675.52

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Solution

The fourth proportional to 2,772.42, 4,142.39 and 2,675.52 is: 3,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.42 : 4,142.39 = 2,675.52 : x
  2. Step 2: Convert to fraction form
    2,772.42/4,142.39 = 2,675.52/x
  3. Step 3: Cross multiply
    2,772.42x = 4,142.39 × 2,675.52
  4. Step 4: Simplify right side
    2,772.42x = 11,083,033.92
  5. Step 5: Solve for x
    x = 11,083,033.92/2,772.42
  6. Step 6: Final answer
    x = 3,997.60

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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.