Home / 6,119.64-9,179.94-2,657.16

Finding the Fourth Proportional to 6,119.64, 9,179.94 and 2,657.16

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Solution

The fourth proportional to 6,119.64, 9,179.94 and 2,657.16 is: 3,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.64 : 9,179.94 = 2,657.16 : x
  2. Step 2: Convert to fraction form
    6,119.64/9,179.94 = 2,657.16/x
  3. Step 3: Cross multiply
    6,119.64x = 9,179.94 × 2,657.16
  4. Step 4: Simplify right side
    6,119.64x = 24,392,569.37
  5. Step 5: Solve for x
    x = 24,392,569.37/6,119.64
  6. Step 6: Final answer
    x = 3,985.95

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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.