Home / 5,481.55-7,562.69-3,122.02

Finding the Fourth Proportional to 5,481.55, 7,562.69 and 3,122.02

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Solution

The fourth proportional to 5,481.55, 7,562.69 and 3,122.02 is: 4,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.55 : 7,562.69 = 3,122.02 : x
  2. Step 2: Convert to fraction form
    5,481.55/7,562.69 = 3,122.02/x
  3. Step 3: Cross multiply
    5,481.55x = 7,562.69 × 3,122.02
  4. Step 4: Simplify right side
    5,481.55x = 23,610,869.43
  5. Step 5: Solve for x
    x = 23,610,869.43/5,481.55
  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.