Home / 2,201.73-3,038.37-1,207.01

Finding the Fourth Proportional to 2,201.73, 3,038.37 and 1,207.01

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Solution

The fourth proportional to 2,201.73, 3,038.37 and 1,207.01 is: 1,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.73 : 3,038.37 = 1,207.01 : x
  2. Step 2: Convert to fraction form
    2,201.73/3,038.37 = 1,207.01/x
  3. Step 3: Cross multiply
    2,201.73x = 3,038.37 × 1,207.01
  4. Step 4: Simplify right side
    2,201.73x = 3,667,342.97
  5. Step 5: Solve for x
    x = 3,667,342.97/2,201.73
  6. Step 6: Final answer
    x = 1,665.66

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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.