Home / 3,916.63-5,874.98-1,838.11

Finding the Fourth Proportional to 3,916.63, 5,874.98 and 1,838.11

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Solution

The fourth proportional to 3,916.63, 5,874.98 and 1,838.11 is: 2,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.63 : 5,874.98 = 1,838.11 : x
  2. Step 2: Convert to fraction form
    3,916.63/5,874.98 = 1,838.11/x
  3. Step 3: Cross multiply
    3,916.63x = 5,874.98 × 1,838.11
  4. Step 4: Simplify right side
    3,916.63x = 10,798,832.18
  5. Step 5: Solve for x
    x = 10,798,832.18/3,916.63
  6. Step 6: Final answer
    x = 2,757.18

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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.