Home / 5,628.97-7,768.43-3,271.57

Finding the Fourth Proportional to 5,628.97, 7,768.43 and 3,271.57

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Solution

The fourth proportional to 5,628.97, 7,768.43 and 3,271.57 is: 4,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.97 : 7,768.43 = 3,271.57 : x
  2. Step 2: Convert to fraction form
    5,628.97/7,768.43 = 3,271.57/x
  3. Step 3: Cross multiply
    5,628.97x = 7,768.43 × 3,271.57
  4. Step 4: Simplify right side
    5,628.97x = 25,414,962.54
  5. Step 5: Solve for x
    x = 25,414,962.54/5,628.97
  6. Step 6: Final answer
    x = 4,515.03

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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.