Home / 4,082.78-6,125.07-1,161.11

Finding the Fourth Proportional to 4,082.78, 6,125.07 and 1,161.11

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Solution

The fourth proportional to 4,082.78, 6,125.07 and 1,161.11 is: 1,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.78 : 6,125.07 = 1,161.11 : x
  2. Step 2: Convert to fraction form
    4,082.78/6,125.07 = 1,161.11/x
  3. Step 3: Cross multiply
    4,082.78x = 6,125.07 × 1,161.11
  4. Step 4: Simplify right side
    4,082.78x = 7,111,849.40
  5. Step 5: Solve for x
    x = 7,111,849.40/4,082.78
  6. Step 6: Final answer
    x = 1,741.92

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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.