Home / 2,940.17-4,057.46-1,613.84

Finding the Fourth Proportional to 2,940.17, 4,057.46 and 1,613.84

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Solution

The fourth proportional to 2,940.17, 4,057.46 and 1,613.84 is: 2,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.17 : 4,057.46 = 1,613.84 : x
  2. Step 2: Convert to fraction form
    2,940.17/4,057.46 = 1,613.84/x
  3. Step 3: Cross multiply
    2,940.17x = 4,057.46 × 1,613.84
  4. Step 4: Simplify right side
    2,940.17x = 6,548,091.77
  5. Step 5: Solve for x
    x = 6,548,091.77/2,940.17
  6. Step 6: Final answer
    x = 2,227.12

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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.