Home / 4,153.78-5,731.17-2,828.83

Finding the Fourth Proportional to 4,153.78, 5,731.17 and 2,828.83

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Solution

The fourth proportional to 4,153.78, 5,731.17 and 2,828.83 is: 3,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.78 : 5,731.17 = 2,828.83 : x
  2. Step 2: Convert to fraction form
    4,153.78/5,731.17 = 2,828.83/x
  3. Step 3: Cross multiply
    4,153.78x = 5,731.17 × 2,828.83
  4. Step 4: Simplify right side
    4,153.78x = 16,212,505.63
  5. Step 5: Solve for x
    x = 16,212,505.63/4,153.78
  6. Step 6: Final answer
    x = 3,903.07

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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.