Home / 4,920.92-7,384.10-2,323.79

Finding the Fourth Proportional to 4,920.92, 7,384.10 and 2,323.79

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Solution

The fourth proportional to 4,920.92, 7,384.10 and 2,323.79 is: 3,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.92 : 7,384.10 = 2,323.79 : x
  2. Step 2: Convert to fraction form
    4,920.92/7,384.10 = 2,323.79/x
  3. Step 3: Cross multiply
    4,920.92x = 7,384.10 × 2,323.79
  4. Step 4: Simplify right side
    4,920.92x = 17,159,076.89
  5. Step 5: Solve for x
    x = 17,159,076.89/4,920.92
  6. Step 6: Final answer
    x = 3,486.97

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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.