Home / 2,545.44-3,512.82-1,426.36

Finding the Fourth Proportional to 2,545.44, 3,512.82 and 1,426.36

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Solution

The fourth proportional to 2,545.44, 3,512.82 and 1,426.36 is: 1,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.44 : 3,512.82 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    2,545.44/3,512.82 = 1,426.36/x
  3. Step 3: Cross multiply
    2,545.44x = 3,512.82 × 1,426.36
  4. Step 4: Simplify right side
    2,545.44x = 5,010,545.94
  5. Step 5: Solve for x
    x = 5,010,545.94/2,545.44
  6. Step 6: Final answer
    x = 1,968.44

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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.