Home / 7,277.76-10,912.44-4,940.04

Finding the Fourth Proportional to 7,277.76, 10,912.44 and 4,940.04

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Solution

The fourth proportional to 7,277.76, 10,912.44 and 4,940.04 is: 7,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.76 : 10,912.44 = 4,940.04 : x
  2. Step 2: Convert to fraction form
    7,277.76/10,912.44 = 4,940.04/x
  3. Step 3: Cross multiply
    7,277.76x = 10,912.44 × 4,940.04
  4. Step 4: Simplify right side
    7,277.76x = 53,907,890.10
  5. Step 5: Solve for x
    x = 53,907,890.10/7,277.76
  6. Step 6: Final answer
    x = 7,407.21

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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.