Home / 5,512.60-7,606.44-3,122.48

Finding the Fourth Proportional to 5,512.60, 7,606.44 and 3,122.48

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Solution

The fourth proportional to 5,512.60, 7,606.44 and 3,122.48 is: 4,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.60 : 7,606.44 = 3,122.48 : x
  2. Step 2: Convert to fraction form
    5,512.60/7,606.44 = 3,122.48/x
  3. Step 3: Cross multiply
    5,512.60x = 7,606.44 × 3,122.48
  4. Step 4: Simplify right side
    5,512.60x = 23,750,956.77
  5. Step 5: Solve for x
    x = 23,750,956.77/5,512.60
  6. Step 6: Final answer
    x = 4,308.49

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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.