Home / 5,969.36-8,940.40-2,851.56

Finding the Fourth Proportional to 5,969.36, 8,940.40 and 2,851.56

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Solution

The fourth proportional to 5,969.36, 8,940.40 and 2,851.56 is: 4,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.36 : 8,940.40 = 2,851.56 : x
  2. Step 2: Convert to fraction form
    5,969.36/8,940.40 = 2,851.56/x
  3. Step 3: Cross multiply
    5,969.36x = 8,940.40 × 2,851.56
  4. Step 4: Simplify right side
    5,969.36x = 25,494,087.02
  5. Step 5: Solve for x
    x = 25,494,087.02/5,969.36
  6. Step 6: Final answer
    x = 4,270.82

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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.