Home / 2,916.07-4,022.12-2,680.97

Finding the Fourth Proportional to 2,916.07, 4,022.12 and 2,680.97

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Solution

The fourth proportional to 2,916.07, 4,022.12 and 2,680.97 is: 3,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.07 : 4,022.12 = 2,680.97 : x
  2. Step 2: Convert to fraction form
    2,916.07/4,022.12 = 2,680.97/x
  3. Step 3: Cross multiply
    2,916.07x = 4,022.12 × 2,680.97
  4. Step 4: Simplify right side
    2,916.07x = 10,783,169.65
  5. Step 5: Solve for x
    x = 10,783,169.65/2,916.07
  6. Step 6: Final answer
    x = 3,697.85

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1.5x scale

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.