Home / 3,916.41-5,874.72-1,143.01

Finding the Fourth Proportional to 3,916.41, 5,874.72 and 1,143.01

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Solution

The fourth proportional to 3,916.41, 5,874.72 and 1,143.01 is: 1,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.41 : 5,874.72 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    3,916.41/5,874.72 = 1,143.01/x
  3. Step 3: Cross multiply
    3,916.41x = 5,874.72 × 1,143.01
  4. Step 4: Simplify right side
    3,916.41x = 6,714,866.76
  5. Step 5: Solve for x
    x = 6,714,866.76/3,916.41
  6. Step 6: Final answer
    x = 1,714.55

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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.