Home / 3,079.24-4,618.94-1,105.01

Finding the Fourth Proportional to 3,079.24, 4,618.94 and 1,105.01

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Solution

The fourth proportional to 3,079.24, 4,618.94 and 1,105.01 is: 1,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.24 : 4,618.94 = 1,105.01 : x
  2. Step 2: Convert to fraction form
    3,079.24/4,618.94 = 1,105.01/x
  3. Step 3: Cross multiply
    3,079.24x = 4,618.94 × 1,105.01
  4. Step 4: Simplify right side
    3,079.24x = 5,103,969.36
  5. Step 5: Solve for x
    x = 5,103,969.36/3,079.24
  6. Step 6: Final answer
    x = 1,657.54

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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.