Home / 6,239.75-8,611.62-3,587.16

Finding the Fourth Proportional to 6,239.75, 8,611.62 and 3,587.16

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Solution

The fourth proportional to 6,239.75, 8,611.62 and 3,587.16 is: 4,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.75 : 8,611.62 = 3,587.16 : x
  2. Step 2: Convert to fraction form
    6,239.75/8,611.62 = 3,587.16/x
  3. Step 3: Cross multiply
    6,239.75x = 8,611.62 × 3,587.16
  4. Step 4: Simplify right side
    6,239.75x = 30,891,258.80
  5. Step 5: Solve for x
    x = 30,891,258.80/6,239.75
  6. Step 6: Final answer
    x = 4,950.72

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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.