Home / 5,245.94-7,236.86-3,258.80

Finding the Fourth Proportional to 5,245.94, 7,236.86 and 3,258.80

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Solution

The fourth proportional to 5,245.94, 7,236.86 and 3,258.80 is: 4,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.94 : 7,236.86 = 3,258.80 : x
  2. Step 2: Convert to fraction form
    5,245.94/7,236.86 = 3,258.80/x
  3. Step 3: Cross multiply
    5,245.94x = 7,236.86 × 3,258.80
  4. Step 4: Simplify right side
    5,245.94x = 23,583,479.37
  5. Step 5: Solve for x
    x = 23,583,479.37/5,245.94
  6. Step 6: Final answer
    x = 4,495.57

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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.