Home / 8,582.88-12,873.60-2,739.04

Finding the Fourth Proportional to 8,582.88, 12,873.60 and 2,739.04

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Solution

The fourth proportional to 8,582.88, 12,873.60 and 2,739.04 is: 4,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.88 : 12,873.60 = 2,739.04 : x
  2. Step 2: Convert to fraction form
    8,582.88/12,873.60 = 2,739.04/x
  3. Step 3: Cross multiply
    8,582.88x = 12,873.60 × 2,739.04
  4. Step 4: Simplify right side
    8,582.88x = 35,261,305.34
  5. Step 5: Solve for x
    x = 35,261,305.34/8,582.88
  6. Step 6: Final answer
    x = 4,108.33

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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.