Home / 6,237.16-8,611.62-3,880.36

Finding the Fourth Proportional to 6,237.16, 8,611.62 and 3,880.36

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Solution

The fourth proportional to 6,237.16, 8,611.62 and 3,880.36 is: 5,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.16 : 8,611.62 = 3,880.36 : x
  2. Step 2: Convert to fraction form
    6,237.16/8,611.62 = 3,880.36/x
  3. Step 3: Cross multiply
    6,237.16x = 8,611.62 × 3,880.36
  4. Step 4: Simplify right side
    6,237.16x = 33,416,185.78
  5. Step 5: Solve for x
    x = 33,416,185.78/6,237.16
  6. Step 6: Final answer
    x = 5,357.60

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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.