Home / 3,916.46-5,875.34-1,942.18

Finding the Fourth Proportional to 3,916.46, 5,875.34 and 1,942.18

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Solution

The fourth proportional to 3,916.46, 5,875.34 and 1,942.18 is: 2,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.46 : 5,875.34 = 1,942.18 : x
  2. Step 2: Convert to fraction form
    3,916.46/5,875.34 = 1,942.18/x
  3. Step 3: Cross multiply
    3,916.46x = 5,875.34 × 1,942.18
  4. Step 4: Simplify right side
    3,916.46x = 11,410,967.84
  5. Step 5: Solve for x
    x = 11,410,967.84/3,916.46
  6. Step 6: Final answer
    x = 2,913.59

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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.