Home / 7,091.75-10,619.04-5,000.43

Finding the Fourth Proportional to 7,091.75, 10,619.04 and 5,000.43

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Solution

The fourth proportional to 7,091.75, 10,619.04 and 5,000.43 is: 7,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.75 : 10,619.04 = 5,000.43 : x
  2. Step 2: Convert to fraction form
    7,091.75/10,619.04 = 5,000.43/x
  3. Step 3: Cross multiply
    7,091.75x = 10,619.04 × 5,000.43
  4. Step 4: Simplify right side
    7,091.75x = 53,099,766.19
  5. Step 5: Solve for x
    x = 53,099,766.19/7,091.75
  6. Step 6: Final answer
    x = 7,487.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.