Home / 4,156.79-5,736.41-2,388.56

Finding the Fourth Proportional to 4,156.79, 5,736.41 and 2,388.56

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Solution

The fourth proportional to 4,156.79, 5,736.41 and 2,388.56 is: 3,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.79 : 5,736.41 = 2,388.56 : x
  2. Step 2: Convert to fraction form
    4,156.79/5,736.41 = 2,388.56/x
  3. Step 3: Cross multiply
    4,156.79x = 5,736.41 × 2,388.56
  4. Step 4: Simplify right side
    4,156.79x = 13,701,718.84
  5. Step 5: Solve for x
    x = 13,701,718.84/4,156.79
  6. Step 6: Final answer
    x = 3,296.23

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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.