Home / 4,945.07-6,824.03-2,706.90

Finding the Fourth Proportional to 4,945.07, 6,824.03 and 2,706.90

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Solution

The fourth proportional to 4,945.07, 6,824.03 and 2,706.90 is: 3,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.07 : 6,824.03 = 2,706.90 : x
  2. Step 2: Convert to fraction form
    4,945.07/6,824.03 = 2,706.90/x
  3. Step 3: Cross multiply
    4,945.07x = 6,824.03 × 2,706.90
  4. Step 4: Simplify right side
    4,945.07x = 18,471,919.15
  5. Step 5: Solve for x
    x = 18,471,919.15/4,945.07
  6. Step 6: Final answer
    x = 3,735.42

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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.