Home / 2,984.24-4,120.26-2,668.52

Finding the Fourth Proportional to 2,984.24, 4,120.26 and 2,668.52

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Solution

The fourth proportional to 2,984.24, 4,120.26 and 2,668.52 is: 3,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.24 : 4,120.26 = 2,668.52 : x
  2. Step 2: Convert to fraction form
    2,984.24/4,120.26 = 2,668.52/x
  3. Step 3: Cross multiply
    2,984.24x = 4,120.26 × 2,668.52
  4. Step 4: Simplify right side
    2,984.24x = 10,994,996.22
  5. Step 5: Solve for x
    x = 10,994,996.22/2,984.24
  6. Step 6: Final answer
    x = 3,684.35

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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.