Home / 2,092.92-2,888.49-1,253.61

Finding the Fourth Proportional to 2,092.92, 2,888.49 and 1,253.61

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Solution

The fourth proportional to 2,092.92, 2,888.49 and 1,253.61 is: 1,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.92 : 2,888.49 = 1,253.61 : x
  2. Step 2: Convert to fraction form
    2,092.92/2,888.49 = 1,253.61/x
  3. Step 3: Cross multiply
    2,092.92x = 2,888.49 × 1,253.61
  4. Step 4: Simplify right side
    2,092.92x = 3,621,039.95
  5. Step 5: Solve for x
    x = 3,621,039.95/2,092.92
  6. Step 6: Final answer
    x = 1,730.14

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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.