Home / 5,251.56-7,247.20-2,893.74

Finding the Fourth Proportional to 5,251.56, 7,247.20 and 2,893.74

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Solution

The fourth proportional to 5,251.56, 7,247.20 and 2,893.74 is: 3,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.56 : 7,247.20 = 2,893.74 : x
  2. Step 2: Convert to fraction form
    5,251.56/7,247.20 = 2,893.74/x
  3. Step 3: Cross multiply
    5,251.56x = 7,247.20 × 2,893.74
  4. Step 4: Simplify right side
    5,251.56x = 20,971,512.53
  5. Step 5: Solve for x
    x = 20,971,512.53/5,251.56
  6. Step 6: Final answer
    x = 3,993.39

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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.