Home / 2,725.45-4,090.25-1,996.93

Finding the Fourth Proportional to 2,725.45, 4,090.25 and 1,996.93

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Solution

The fourth proportional to 2,725.45, 4,090.25 and 1,996.93 is: 2,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.45 : 4,090.25 = 1,996.93 : x
  2. Step 2: Convert to fraction form
    2,725.45/4,090.25 = 1,996.93/x
  3. Step 3: Cross multiply
    2,725.45x = 4,090.25 × 1,996.93
  4. Step 4: Simplify right side
    2,725.45x = 8,167,932.95
  5. Step 5: Solve for x
    x = 8,167,932.95/2,725.45
  6. Step 6: Final answer
    x = 2,996.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.