Home / 2,995.52-4,137.51-2,115.25

Finding the Fourth Proportional to 2,995.52, 4,137.51 and 2,115.25

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Solution

The fourth proportional to 2,995.52, 4,137.51 and 2,115.25 is: 2,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.52 : 4,137.51 = 2,115.25 : x
  2. Step 2: Convert to fraction form
    2,995.52/4,137.51 = 2,115.25/x
  3. Step 3: Cross multiply
    2,995.52x = 4,137.51 × 2,115.25
  4. Step 4: Simplify right side
    2,995.52x = 8,751,865.62
  5. Step 5: Solve for x
    x = 8,751,865.62/2,995.52
  6. Step 6: Final answer
    x = 2,921.66

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Half scale
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Double scale
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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.