Home / 2,927.25-4,042.88-2,272.05

Finding the Fourth Proportional to 2,927.25, 4,042.88 and 2,272.05

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Solution

The fourth proportional to 2,927.25, 4,042.88 and 2,272.05 is: 3,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.25 : 4,042.88 = 2,272.05 : x
  2. Step 2: Convert to fraction form
    2,927.25/4,042.88 = 2,272.05/x
  3. Step 3: Cross multiply
    2,927.25x = 4,042.88 × 2,272.05
  4. Step 4: Simplify right side
    2,927.25x = 9,185,614.14
  5. Step 5: Solve for x
    x = 9,185,614.14/2,927.25
  6. Step 6: Final answer
    x = 3,137.97

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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.