Home / 3,086.46-4,629.79-1,355.04

Finding the Fourth Proportional to 3,086.46, 4,629.79 and 1,355.04

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Solution

The fourth proportional to 3,086.46, 4,629.79 and 1,355.04 is: 2,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.46 : 4,629.79 = 1,355.04 : x
  2. Step 2: Convert to fraction form
    3,086.46/4,629.79 = 1,355.04/x
  3. Step 3: Cross multiply
    3,086.46x = 4,629.79 × 1,355.04
  4. Step 4: Simplify right side
    3,086.46x = 6,273,550.64
  5. Step 5: Solve for x
    x = 6,273,550.64/3,086.46
  6. Step 6: Final answer
    x = 2,032.60

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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.