Home / 5,903.87-8,147.26-3,251.28

Finding the Fourth Proportional to 5,903.87, 8,147.26 and 3,251.28

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Solution

The fourth proportional to 5,903.87, 8,147.26 and 3,251.28 is: 4,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.87 : 8,147.26 = 3,251.28 : x
  2. Step 2: Convert to fraction form
    5,903.87/8,147.26 = 3,251.28/x
  3. Step 3: Cross multiply
    5,903.87x = 8,147.26 × 3,251.28
  4. Step 4: Simplify right side
    5,903.87x = 26,489,043.24
  5. Step 5: Solve for x
    x = 26,489,043.24/5,903.87
  6. Step 6: Final answer
    x = 4,486.72

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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.