Home / 7,384.86-11,083.77-4,790.70

Finding the Fourth Proportional to 7,384.86, 11,083.77 and 4,790.70

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Solution

The fourth proportional to 7,384.86, 11,083.77 and 4,790.70 is: 7,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.86 : 11,083.77 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    7,384.86/11,083.77 = 4,790.70/x
  3. Step 3: Cross multiply
    7,384.86x = 11,083.77 × 4,790.70
  4. Step 4: Simplify right side
    7,384.86x = 53,099,016.94
  5. Step 5: Solve for x
    x = 53,099,016.94/7,384.86
  6. Step 6: Final answer
    x = 7,190.25

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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.