Home / 8,023.79-12,036.29-2,180.31

Finding the Fourth Proportional to 8,023.79, 12,036.29 and 2,180.31

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Solution

The fourth proportional to 8,023.79, 12,036.29 and 2,180.31 is: 3,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.79 : 12,036.29 = 2,180.31 : x
  2. Step 2: Convert to fraction form
    8,023.79/12,036.29 = 2,180.31/x
  3. Step 3: Cross multiply
    8,023.79x = 12,036.29 × 2,180.31
  4. Step 4: Simplify right side
    8,023.79x = 26,242,832.55
  5. Step 5: Solve for x
    x = 26,242,832.55/8,023.79
  6. Step 6: Final answer
    x = 3,270.63

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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.