Home / 2,943.84-4,061.67-1,896.51

Finding the Fourth Proportional to 2,943.84, 4,061.67 and 1,896.51

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Solution

The fourth proportional to 2,943.84, 4,061.67 and 1,896.51 is: 2,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.84 : 4,061.67 = 1,896.51 : x
  2. Step 2: Convert to fraction form
    2,943.84/4,061.67 = 1,896.51/x
  3. Step 3: Cross multiply
    2,943.84x = 4,061.67 × 1,896.51
  4. Step 4: Simplify right side
    2,943.84x = 7,702,997.77
  5. Step 5: Solve for x
    x = 7,702,997.77/2,943.84
  6. Step 6: Final answer
    x = 2,616.65

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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.