Home / 3,013.94-4,161.89-1,896.75

Finding the Fourth Proportional to 3,013.94, 4,161.89 and 1,896.75

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Solution

The fourth proportional to 3,013.94, 4,161.89 and 1,896.75 is: 2,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.94 : 4,161.89 = 1,896.75 : x
  2. Step 2: Convert to fraction form
    3,013.94/4,161.89 = 1,896.75/x
  3. Step 3: Cross multiply
    3,013.94x = 4,161.89 × 1,896.75
  4. Step 4: Simplify right side
    3,013.94x = 7,894,069.60
  5. Step 5: Solve for x
    x = 7,894,069.60/3,013.94
  6. Step 6: Final answer
    x = 2,619.18

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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.