Home / 6,629.22-9,144.81-3,974.94

Finding the Fourth Proportional to 6,629.22, 9,144.81 and 3,974.94

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Solution

The fourth proportional to 6,629.22, 9,144.81 and 3,974.94 is: 5,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.22 : 9,144.81 = 3,974.94 : x
  2. Step 2: Convert to fraction form
    6,629.22/9,144.81 = 3,974.94/x
  3. Step 3: Cross multiply
    6,629.22x = 9,144.81 × 3,974.94
  4. Step 4: Simplify right side
    6,629.22x = 36,350,071.06
  5. Step 5: Solve for x
    x = 36,350,071.06/6,629.22
  6. Step 6: Final answer
    x = 5,483.31

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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.