Home / 6,719.31-10,078.98-2,039.35

Finding the Fourth Proportional to 6,719.31, 10,078.98 and 2,039.35

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Solution

The fourth proportional to 6,719.31, 10,078.98 and 2,039.35 is: 3,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.31 : 10,078.98 = 2,039.35 : x
  2. Step 2: Convert to fraction form
    6,719.31/10,078.98 = 2,039.35/x
  3. Step 3: Cross multiply
    6,719.31x = 10,078.98 × 2,039.35
  4. Step 4: Simplify right side
    6,719.31x = 20,554,557.67
  5. Step 5: Solve for x
    x = 20,554,557.67/6,719.31
  6. Step 6: Final answer
    x = 3,059.03

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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.