Home / 4,936.70-6,812.35-2,947.24

Finding the Fourth Proportional to 4,936.70, 6,812.35 and 2,947.24

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Solution

The fourth proportional to 4,936.70, 6,812.35 and 2,947.24 is: 4,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.70 : 6,812.35 = 2,947.24 : x
  2. Step 2: Convert to fraction form
    4,936.70/6,812.35 = 2,947.24/x
  3. Step 3: Cross multiply
    4,936.70x = 6,812.35 × 2,947.24
  4. Step 4: Simplify right side
    4,936.70x = 20,077,630.41
  5. Step 5: Solve for x
    x = 20,077,630.41/4,936.70
  6. Step 6: Final answer
    x = 4,067.01

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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.