Home / 4,914.81-6,781.37-2,924.97

Finding the Fourth Proportional to 4,914.81, 6,781.37 and 2,924.97

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Solution

The fourth proportional to 4,914.81, 6,781.37 and 2,924.97 is: 4,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.81 : 6,781.37 = 2,924.97 : x
  2. Step 2: Convert to fraction form
    4,914.81/6,781.37 = 2,924.97/x
  3. Step 3: Cross multiply
    4,914.81x = 6,781.37 × 2,924.97
  4. Step 4: Simplify right side
    4,914.81x = 19,835,289.18
  5. Step 5: Solve for x
    x = 19,835,289.18/4,914.81
  6. Step 6: Final answer
    x = 4,035.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.