Home / 2,092.45-2,887.74-1,208.26

Finding the Fourth Proportional to 2,092.45, 2,887.74 and 1,208.26

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Solution

The fourth proportional to 2,092.45, 2,887.74 and 1,208.26 is: 1,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.45 : 2,887.74 = 1,208.26 : x
  2. Step 2: Convert to fraction form
    2,092.45/2,887.74 = 1,208.26/x
  3. Step 3: Cross multiply
    2,092.45x = 2,887.74 × 1,208.26
  4. Step 4: Simplify right side
    2,092.45x = 3,489,140.73
  5. Step 5: Solve for x
    x = 3,489,140.73/2,092.45
  6. Step 6: Final answer
    x = 1,667.49

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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.