Home / 4,665.28-6,991.70-1,740.64

Finding the Fourth Proportional to 4,665.28, 6,991.70 and 1,740.64

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Solution

The fourth proportional to 4,665.28, 6,991.70 and 1,740.64 is: 2,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.28 : 6,991.70 = 1,740.64 : x
  2. Step 2: Convert to fraction form
    4,665.28/6,991.70 = 1,740.64/x
  3. Step 3: Cross multiply
    4,665.28x = 6,991.70 × 1,740.64
  4. Step 4: Simplify right side
    4,665.28x = 12,169,997.73
  5. Step 5: Solve for x
    x = 12,169,997.73/4,665.28
  6. Step 6: Final answer
    x = 2,608.63

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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.