Home / 2,096.79-3,141.08-1,916.36

Finding the Fourth Proportional to 2,096.79, 3,141.08 and 1,916.36

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Solution

The fourth proportional to 2,096.79, 3,141.08 and 1,916.36 is: 2,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.79 : 3,141.08 = 1,916.36 : x
  2. Step 2: Convert to fraction form
    2,096.79/3,141.08 = 1,916.36/x
  3. Step 3: Cross multiply
    2,096.79x = 3,141.08 × 1,916.36
  4. Step 4: Simplify right side
    2,096.79x = 6,019,433.75
  5. Step 5: Solve for x
    x = 6,019,433.75/2,096.79
  6. Step 6: Final answer
    x = 2,870.79

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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.