Home / 6,078.25-9,113.73-2,787.22

Finding the Fourth Proportional to 6,078.25, 9,113.73 and 2,787.22

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Solution

The fourth proportional to 6,078.25, 9,113.73 and 2,787.22 is: 4,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.25 : 9,113.73 = 2,787.22 : x
  2. Step 2: Convert to fraction form
    6,078.25/9,113.73 = 2,787.22/x
  3. Step 3: Cross multiply
    6,078.25x = 9,113.73 × 2,787.22
  4. Step 4: Simplify right side
    6,078.25x = 25,402,003.77
  5. Step 5: Solve for x
    x = 25,402,003.77/6,078.25
  6. Step 6: Final answer
    x = 4,179.16

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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.