Home / 4,716.26-7,074.40-2,121.02

Finding the Fourth Proportional to 4,716.26, 7,074.40 and 2,121.02

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Solution

The fourth proportional to 4,716.26, 7,074.40 and 2,121.02 is: 3,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.26 : 7,074.40 = 2,121.02 : x
  2. Step 2: Convert to fraction form
    4,716.26/7,074.40 = 2,121.02/x
  3. Step 3: Cross multiply
    4,716.26x = 7,074.40 × 2,121.02
  4. Step 4: Simplify right side
    4,716.26x = 15,004,943.89
  5. Step 5: Solve for x
    x = 15,004,943.89/4,716.26
  6. Step 6: Final answer
    x = 3,181.53

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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.