Home / 6,119.89-8,445.40-3,467.82

Finding the Fourth Proportional to 6,119.89, 8,445.40 and 3,467.82

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Solution

The fourth proportional to 6,119.89, 8,445.40 and 3,467.82 is: 4,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.89 : 8,445.40 = 3,467.82 : x
  2. Step 2: Convert to fraction form
    6,119.89/8,445.40 = 3,467.82/x
  3. Step 3: Cross multiply
    6,119.89x = 8,445.40 × 3,467.82
  4. Step 4: Simplify right side
    6,119.89x = 29,287,127.03
  5. Step 5: Solve for x
    x = 29,287,127.03/6,119.89
  6. Step 6: Final answer
    x = 4,785.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.