Home / 5,910.78-8,157.25-3,258.18

Finding the Fourth Proportional to 5,910.78, 8,157.25 and 3,258.18

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Solution

The fourth proportional to 5,910.78, 8,157.25 and 3,258.18 is: 4,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.78 : 8,157.25 = 3,258.18 : x
  2. Step 2: Convert to fraction form
    5,910.78/8,157.25 = 3,258.18/x
  3. Step 3: Cross multiply
    5,910.78x = 8,157.25 × 3,258.18
  4. Step 4: Simplify right side
    5,910.78x = 26,577,788.81
  5. Step 5: Solve for x
    x = 26,577,788.81/5,910.78
  6. Step 6: Final answer
    x = 4,496.49

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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.