Home / 5,481.54-7,562.70-3,122.01

Finding the Fourth Proportional to 5,481.54, 7,562.70 and 3,122.01

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Solution

The fourth proportional to 5,481.54, 7,562.70 and 3,122.01 is: 4,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.54 : 7,562.70 = 3,122.01 : x
  2. Step 2: Convert to fraction form
    5,481.54/7,562.70 = 3,122.01/x
  3. Step 3: Cross multiply
    5,481.54x = 7,562.70 × 3,122.01
  4. Step 4: Simplify right side
    5,481.54x = 23,610,825.03
  5. Step 5: Solve for x
    x = 23,610,825.03/5,481.54
  6. Step 6: Final answer
    x = 4,307.33

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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.