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Finding the Fourth Proportional to 6,367.25, 8,786.94 and 3,572.75

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Solution

The fourth proportional to 6,367.25, 8,786.94 and 3,572.75 is: 4,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.25 : 8,786.94 = 3,572.75 : x
  2. Step 2: Convert to fraction form
    6,367.25/8,786.94 = 3,572.75/x
  3. Step 3: Cross multiply
    6,367.25x = 8,786.94 × 3,572.75
  4. Step 4: Simplify right side
    6,367.25x = 31,393,539.89
  5. Step 5: Solve for x
    x = 31,393,539.89/6,367.25
  6. Step 6: Final answer
    x = 4,930.47

Related Problems

Find fourth proportional to 3,183.63, 4,393.47 and 1,786.38
Half scale
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Double scale
Find fourth proportional to 6,368.25, 8,788.32 and 3,573.75
Similar ratio
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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.