Home / 3,251.86-4,875.96-2,213.26

Finding the Fourth Proportional to 3,251.86, 4,875.96 and 2,213.26

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Solution

The fourth proportional to 3,251.86, 4,875.96 and 2,213.26 is: 3,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.86 : 4,875.96 = 2,213.26 : x
  2. Step 2: Convert to fraction form
    3,251.86/4,875.96 = 2,213.26/x
  3. Step 3: Cross multiply
    3,251.86x = 4,875.96 × 2,213.26
  4. Step 4: Simplify right side
    3,251.86x = 10,791,763.34
  5. Step 5: Solve for x
    x = 10,791,763.34/3,251.86
  6. Step 6: Final answer
    x = 3,318.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.