Home / 3,771.12-5,203.89-2,092.47

Finding the Fourth Proportional to 3,771.12, 5,203.89 and 2,092.47

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Solution

The fourth proportional to 3,771.12, 5,203.89 and 2,092.47 is: 2,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.12 : 5,203.89 = 2,092.47 : x
  2. Step 2: Convert to fraction form
    3,771.12/5,203.89 = 2,092.47/x
  3. Step 3: Cross multiply
    3,771.12x = 5,203.89 × 2,092.47
  4. Step 4: Simplify right side
    3,771.12x = 10,888,983.71
  5. Step 5: Solve for x
    x = 10,888,983.71/3,771.12
  6. Step 6: Final answer
    x = 2,887.47

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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.