Home / 4,936.52-6,812.40-2,811.99

Finding the Fourth Proportional to 4,936.52, 6,812.40 and 2,811.99

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Solution

The fourth proportional to 4,936.52, 6,812.40 and 2,811.99 is: 3,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.52 : 6,812.40 = 2,811.99 : x
  2. Step 2: Convert to fraction form
    4,936.52/6,812.40 = 2,811.99/x
  3. Step 3: Cross multiply
    4,936.52x = 6,812.40 × 2,811.99
  4. Step 4: Simplify right side
    4,936.52x = 19,156,400.68
  5. Step 5: Solve for x
    x = 19,156,400.68/4,936.52
  6. Step 6: Final answer
    x = 3,880.55

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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.