Home / 2,201.67-3,036.56-1,871.19

Finding the Fourth Proportional to 2,201.67, 3,036.56 and 1,871.19

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Solution

The fourth proportional to 2,201.67, 3,036.56 and 1,871.19 is: 2,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.67 : 3,036.56 = 1,871.19 : x
  2. Step 2: Convert to fraction form
    2,201.67/3,036.56 = 1,871.19/x
  3. Step 3: Cross multiply
    2,201.67x = 3,036.56 × 1,871.19
  4. Step 4: Simplify right side
    2,201.67x = 5,681,971.35
  5. Step 5: Solve for x
    x = 5,681,971.35/2,201.67
  6. Step 6: Final answer
    x = 2,580.76

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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.