Home / 5,176.67-7,152.16-3,611.75

Finding the Fourth Proportional to 5,176.67, 7,152.16 and 3,611.75

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Solution

The fourth proportional to 5,176.67, 7,152.16 and 3,611.75 is: 4,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.67 : 7,152.16 = 3,611.75 : x
  2. Step 2: Convert to fraction form
    5,176.67/7,152.16 = 3,611.75/x
  3. Step 3: Cross multiply
    5,176.67x = 7,152.16 × 3,611.75
  4. Step 4: Simplify right side
    5,176.67x = 25,831,813.88
  5. Step 5: Solve for x
    x = 25,831,813.88/5,176.67
  6. Step 6: Final answer
    x = 4,990.04

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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.