Home / 7,855.24-11,784.60-2,590.04

Finding the Fourth Proportional to 7,855.24, 11,784.60 and 2,590.04

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Solution

The fourth proportional to 7,855.24, 11,784.60 and 2,590.04 is: 3,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.24 : 11,784.60 = 2,590.04 : x
  2. Step 2: Convert to fraction form
    7,855.24/11,784.60 = 2,590.04/x
  3. Step 3: Cross multiply
    7,855.24x = 11,784.60 × 2,590.04
  4. Step 4: Simplify right side
    7,855.24x = 30,522,585.38
  5. Step 5: Solve for x
    x = 30,522,585.38/7,855.24
  6. Step 6: Final answer
    x = 3,885.63

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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.