Home / 2,722.58-3,759.28-2,092.12

Finding the Fourth Proportional to 2,722.58, 3,759.28 and 2,092.12

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Solution

The fourth proportional to 2,722.58, 3,759.28 and 2,092.12 is: 2,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.58 : 3,759.28 = 2,092.12 : x
  2. Step 2: Convert to fraction form
    2,722.58/3,759.28 = 2,092.12/x
  3. Step 3: Cross multiply
    2,722.58x = 3,759.28 × 2,092.12
  4. Step 4: Simplify right side
    2,722.58x = 7,864,855.48
  5. Step 5: Solve for x
    x = 7,864,855.48/2,722.58
  6. Step 6: Final answer
    x = 2,888.75

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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.