Home / 5,505.48-8,258.12-2,218.49

Finding the Fourth Proportional to 5,505.48, 8,258.12 and 2,218.49

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Solution

The fourth proportional to 5,505.48, 8,258.12 and 2,218.49 is: 3,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.48 : 8,258.12 = 2,218.49 : x
  2. Step 2: Convert to fraction form
    5,505.48/8,258.12 = 2,218.49/x
  3. Step 3: Cross multiply
    5,505.48x = 8,258.12 × 2,218.49
  4. Step 4: Simplify right side
    5,505.48x = 18,320,504.26
  5. Step 5: Solve for x
    x = 18,320,504.26/5,505.48
  6. Step 6: Final answer
    x = 3,327.69

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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.