Home / 3,835.44-5,289.52-2,772.92

Finding the Fourth Proportional to 3,835.44, 5,289.52 and 2,772.92

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Solution

The fourth proportional to 3,835.44, 5,289.52 and 2,772.92 is: 3,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.44 : 5,289.52 = 2,772.92 : x
  2. Step 2: Convert to fraction form
    3,835.44/5,289.52 = 2,772.92/x
  3. Step 3: Cross multiply
    3,835.44x = 5,289.52 × 2,772.92
  4. Step 4: Simplify right side
    3,835.44x = 14,667,415.80
  5. Step 5: Solve for x
    x = 14,667,415.80/3,835.44
  6. Step 6: Final answer
    x = 3,824.18

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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.