Home / 4,717.89-7,078.38-2,376.79

Finding the Fourth Proportional to 4,717.89, 7,078.38 and 2,376.79

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Solution

The fourth proportional to 4,717.89, 7,078.38 and 2,376.79 is: 3,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.89 : 7,078.38 = 2,376.79 : x
  2. Step 2: Convert to fraction form
    4,717.89/7,078.38 = 2,376.79/x
  3. Step 3: Cross multiply
    4,717.89x = 7,078.38 × 2,376.79
  4. Step 4: Simplify right side
    4,717.89x = 16,823,787.41
  5. Step 5: Solve for x
    x = 16,823,787.41/4,717.89
  6. Step 6: Final answer
    x = 3,565.96

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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.