Home / 2,189.07-3,019.86-1,481.16

Finding the Fourth Proportional to 2,189.07, 3,019.86 and 1,481.16

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Solution

The fourth proportional to 2,189.07, 3,019.86 and 1,481.16 is: 2,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.07 : 3,019.86 = 1,481.16 : x
  2. Step 2: Convert to fraction form
    2,189.07/3,019.86 = 1,481.16/x
  3. Step 3: Cross multiply
    2,189.07x = 3,019.86 × 1,481.16
  4. Step 4: Simplify right side
    2,189.07x = 4,472,895.84
  5. Step 5: Solve for x
    x = 4,472,895.84/2,189.07
  6. Step 6: Final answer
    x = 2,043.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.