Home / 4,157.31-5,730.60-2,828.73

Finding the Fourth Proportional to 4,157.31, 5,730.60 and 2,828.73

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Solution

The fourth proportional to 4,157.31, 5,730.60 and 2,828.73 is: 3,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.31 : 5,730.60 = 2,828.73 : x
  2. Step 2: Convert to fraction form
    4,157.31/5,730.60 = 2,828.73/x
  3. Step 3: Cross multiply
    4,157.31x = 5,730.60 × 2,828.73
  4. Step 4: Simplify right side
    4,157.31x = 16,210,320.14
  5. Step 5: Solve for x
    x = 16,210,320.14/4,157.31
  6. Step 6: Final answer
    x = 3,899.23

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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.