Home / 2,940.42-4,057.85-1,614.15

Finding the Fourth Proportional to 2,940.42, 4,057.85 and 1,614.15

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Solution

The fourth proportional to 2,940.42, 4,057.85 and 1,614.15 is: 2,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.42 : 4,057.85 = 1,614.15 : x
  2. Step 2: Convert to fraction form
    2,940.42/4,057.85 = 1,614.15/x
  3. Step 3: Cross multiply
    2,940.42x = 4,057.85 × 1,614.15
  4. Step 4: Simplify right side
    2,940.42x = 6,549,982.61
  5. Step 5: Solve for x
    x = 6,549,982.61/2,940.42
  6. Step 6: Final answer
    x = 2,227.57

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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.