Home / 3,906.36-5,392.53-2,491.95

Finding the Fourth Proportional to 3,906.36, 5,392.53 and 2,491.95

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Solution

The fourth proportional to 3,906.36, 5,392.53 and 2,491.95 is: 3,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.36 : 5,392.53 = 2,491.95 : x
  2. Step 2: Convert to fraction form
    3,906.36/5,392.53 = 2,491.95/x
  3. Step 3: Cross multiply
    3,906.36x = 5,392.53 × 2,491.95
  4. Step 4: Simplify right side
    3,906.36x = 13,437,915.13
  5. Step 5: Solve for x
    x = 13,437,915.13/3,906.36
  6. Step 6: Final answer
    x = 3,440.01

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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.