Home / 2,853.52-3,936.36-1,922.32

Finding the Fourth Proportional to 2,853.52, 3,936.36 and 1,922.32

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Solution

The fourth proportional to 2,853.52, 3,936.36 and 1,922.32 is: 2,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.52 : 3,936.36 = 1,922.32 : x
  2. Step 2: Convert to fraction form
    2,853.52/3,936.36 = 1,922.32/x
  3. Step 3: Cross multiply
    2,853.52x = 3,936.36 × 1,922.32
  4. Step 4: Simplify right side
    2,853.52x = 7,566,943.56
  5. Step 5: Solve for x
    x = 7,566,943.56/2,853.52
  6. Step 6: Final answer
    x = 2,651.79

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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.