Home / 2,838.23-3,916.92-1,776.66

Finding the Fourth Proportional to 2,838.23, 3,916.92 and 1,776.66

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Solution

The fourth proportional to 2,838.23, 3,916.92 and 1,776.66 is: 2,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.23 : 3,916.92 = 1,776.66 : x
  2. Step 2: Convert to fraction form
    2,838.23/3,916.92 = 1,776.66/x
  3. Step 3: Cross multiply
    2,838.23x = 3,916.92 × 1,776.66
  4. Step 4: Simplify right side
    2,838.23x = 6,959,035.09
  5. Step 5: Solve for x
    x = 6,959,035.09/2,838.23
  6. Step 6: Final answer
    x = 2,451.89

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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.