Home / 3,943.46-5,916.22-1,170.11

Finding the Fourth Proportional to 3,943.46, 5,916.22 and 1,170.11

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Solution

The fourth proportional to 3,943.46, 5,916.22 and 1,170.11 is: 1,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.46 : 5,916.22 = 1,170.11 : x
  2. Step 2: Convert to fraction form
    3,943.46/5,916.22 = 1,170.11/x
  3. Step 3: Cross multiply
    3,943.46x = 5,916.22 × 1,170.11
  4. Step 4: Simplify right side
    3,943.46x = 6,922,640.05
  5. Step 5: Solve for x
    x = 6,922,640.05/3,943.46
  6. Step 6: Final answer
    x = 1,755.47

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1.5x scale

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.