Home / 2,720.33-4,082.03-1,160.17

Finding the Fourth Proportional to 2,720.33, 4,082.03 and 1,160.17

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Solution

The fourth proportional to 2,720.33, 4,082.03 and 1,160.17 is: 1,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.33 : 4,082.03 = 1,160.17 : x
  2. Step 2: Convert to fraction form
    2,720.33/4,082.03 = 1,160.17/x
  3. Step 3: Cross multiply
    2,720.33x = 4,082.03 × 1,160.17
  4. Step 4: Simplify right side
    2,720.33x = 4,735,837.09
  5. Step 5: Solve for x
    x = 4,735,837.09/2,720.33
  6. Step 6: Final answer
    x = 1,740.91

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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.