Home / 2,545.14-3,512.12-1,426.07

Finding the Fourth Proportional to 2,545.14, 3,512.12 and 1,426.07

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Solution

The fourth proportional to 2,545.14, 3,512.12 and 1,426.07 is: 1,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.14 : 3,512.12 = 1,426.07 : x
  2. Step 2: Convert to fraction form
    2,545.14/3,512.12 = 1,426.07/x
  3. Step 3: Cross multiply
    2,545.14x = 3,512.12 × 1,426.07
  4. Step 4: Simplify right side
    2,545.14x = 5,008,504.28
  5. Step 5: Solve for x
    x = 5,008,504.28/2,545.14
  6. Step 6: Final answer
    x = 1,967.87

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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.