Home / 3,740.15-5,161.18-2,061.57

Finding the Fourth Proportional to 3,740.15, 5,161.18 and 2,061.57

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Solution

The fourth proportional to 3,740.15, 5,161.18 and 2,061.57 is: 2,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.15 : 5,161.18 = 2,061.57 : x
  2. Step 2: Convert to fraction form
    3,740.15/5,161.18 = 2,061.57/x
  3. Step 3: Cross multiply
    3,740.15x = 5,161.18 × 2,061.57
  4. Step 4: Simplify right side
    3,740.15x = 10,640,148.05
  5. Step 5: Solve for x
    x = 10,640,148.05/3,740.15
  6. Step 6: Final answer
    x = 2,844.84

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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.