Home / 7,584.34-11,381.64-2,654.02

Finding the Fourth Proportional to 7,584.34, 11,381.64 and 2,654.02

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Solution

The fourth proportional to 7,584.34, 11,381.64 and 2,654.02 is: 3,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.34 : 11,381.64 = 2,654.02 : x
  2. Step 2: Convert to fraction form
    7,584.34/11,381.64 = 2,654.02/x
  3. Step 3: Cross multiply
    7,584.34x = 11,381.64 × 2,654.02
  4. Step 4: Simplify right side
    7,584.34x = 30,207,111.54
  5. Step 5: Solve for x
    x = 30,207,111.54/7,584.34
  6. Step 6: Final answer
    x = 3,982.83

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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.