Home / 2,940.29-4,057.59-1,762.04

Finding the Fourth Proportional to 2,940.29, 4,057.59 and 1,762.04

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Solution

The fourth proportional to 2,940.29, 4,057.59 and 1,762.04 is: 2,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.29 : 4,057.59 = 1,762.04 : x
  2. Step 2: Convert to fraction form
    2,940.29/4,057.59 = 1,762.04/x
  3. Step 3: Cross multiply
    2,940.29x = 4,057.59 × 1,762.04
  4. Step 4: Simplify right side
    2,940.29x = 7,149,615.60
  5. Step 5: Solve for x
    x = 7,149,615.60/2,940.29
  6. Step 6: Final answer
    x = 2,431.61

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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.