Home / 2,213.50-3,054.81-1,282.18

Finding the Fourth Proportional to 2,213.50, 3,054.81 and 1,282.18

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Solution

The fourth proportional to 2,213.50, 3,054.81 and 1,282.18 is: 1,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.50 : 3,054.81 = 1,282.18 : x
  2. Step 2: Convert to fraction form
    2,213.50/3,054.81 = 1,282.18/x
  3. Step 3: Cross multiply
    2,213.50x = 3,054.81 × 1,282.18
  4. Step 4: Simplify right side
    2,213.50x = 3,916,816.29
  5. Step 5: Solve for x
    x = 3,916,816.29/2,213.50
  6. Step 6: Final answer
    x = 1,769.51

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