Home / 7,272.60-10,905.44-3,322.69

Finding the Fourth Proportional to 7,272.60, 10,905.44 and 3,322.69

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Solution

The fourth proportional to 7,272.60, 10,905.44 and 3,322.69 is: 4,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.60 : 10,905.44 = 3,322.69 : x
  2. Step 2: Convert to fraction form
    7,272.60/10,905.44 = 3,322.69/x
  3. Step 3: Cross multiply
    7,272.60x = 10,905.44 × 3,322.69
  4. Step 4: Simplify right side
    7,272.60x = 36,235,377.48
  5. Step 5: Solve for x
    x = 36,235,377.48/7,272.60
  6. Step 6: Final answer
    x = 4,982.45

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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.