Home / 4,151.21-5,725.57-2,892.34

Finding the Fourth Proportional to 4,151.21, 5,725.57 and 2,892.34

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Solution

The fourth proportional to 4,151.21, 5,725.57 and 2,892.34 is: 3,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.21 : 5,725.57 = 2,892.34 : x
  2. Step 2: Convert to fraction form
    4,151.21/5,725.57 = 2,892.34/x
  3. Step 3: Cross multiply
    4,151.21x = 5,725.57 × 2,892.34
  4. Step 4: Simplify right side
    4,151.21x = 16,560,252.04
  5. Step 5: Solve for x
    x = 16,560,252.04/4,151.21
  6. Step 6: Final answer
    x = 3,989.26

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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.