Home / 6,119.76-9,178.38-1,736.04

Finding the Fourth Proportional to 6,119.76, 9,178.38 and 1,736.04

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Solution

The fourth proportional to 6,119.76, 9,178.38 and 1,736.04 is: 2,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.76 : 9,178.38 = 1,736.04 : x
  2. Step 2: Convert to fraction form
    6,119.76/9,178.38 = 1,736.04/x
  3. Step 3: Cross multiply
    6,119.76x = 9,178.38 × 1,736.04
  4. Step 4: Simplify right side
    6,119.76x = 15,934,034.82
  5. Step 5: Solve for x
    x = 15,934,034.82/6,119.76
  6. Step 6: Final answer
    x = 2,603.70

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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.