Home / 2,545.15-3,512.26-1,426.08

Finding the Fourth Proportional to 2,545.15, 3,512.26 and 1,426.08

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Solution

The fourth proportional to 2,545.15, 3,512.26 and 1,426.08 is: 1,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.15 : 3,512.26 = 1,426.08 : x
  2. Step 2: Convert to fraction form
    2,545.15/3,512.26 = 1,426.08/x
  3. Step 3: Cross multiply
    2,545.15x = 3,512.26 × 1,426.08
  4. Step 4: Simplify right side
    2,545.15x = 5,008,758.94
  5. Step 5: Solve for x
    x = 5,008,758.94/2,545.15
  6. Step 6: Final answer
    x = 1,967.96

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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.