Home / 4,155.26-5,731.71-2,829.56

Finding the Fourth Proportional to 4,155.26, 5,731.71 and 2,829.56

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Solution

The fourth proportional to 4,155.26, 5,731.71 and 2,829.56 is: 3,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.26 : 5,731.71 = 2,829.56 : x
  2. Step 2: Convert to fraction form
    4,155.26/5,731.71 = 2,829.56/x
  3. Step 3: Cross multiply
    4,155.26x = 5,731.71 × 2,829.56
  4. Step 4: Simplify right side
    4,155.26x = 16,218,217.35
  5. Step 5: Solve for x
    x = 16,218,217.35/4,155.26
  6. Step 6: Final answer
    x = 3,903.06

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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.