Home / 5,622.75-7,760.79-3,266.28

Finding the Fourth Proportional to 5,622.75, 7,760.79 and 3,266.28

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Solution

The fourth proportional to 5,622.75, 7,760.79 and 3,266.28 is: 4,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.75 : 7,760.79 = 3,266.28 : x
  2. Step 2: Convert to fraction form
    5,622.75/7,760.79 = 3,266.28/x
  3. Step 3: Cross multiply
    5,622.75x = 7,760.79 × 3,266.28
  4. Step 4: Simplify right side
    5,622.75x = 25,348,913.16
  5. Step 5: Solve for x
    x = 25,348,913.16/5,622.75
  6. Step 6: Final answer
    x = 4,508.28

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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.