Home / 2,838.53-3,917.19-1,659.38

Finding the Fourth Proportional to 2,838.53, 3,917.19 and 1,659.38

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Solution

The fourth proportional to 2,838.53, 3,917.19 and 1,659.38 is: 2,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.53 : 3,917.19 = 1,659.38 : x
  2. Step 2: Convert to fraction form
    2,838.53/3,917.19 = 1,659.38/x
  3. Step 3: Cross multiply
    2,838.53x = 3,917.19 × 1,659.38
  4. Step 4: Simplify right side
    2,838.53x = 6,500,087.16
  5. Step 5: Solve for x
    x = 6,500,087.16/2,838.53
  6. Step 6: Final answer
    x = 2,289.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.