Home / 3,668.82-5,503.41-1,170.28

Finding the Fourth Proportional to 3,668.82, 5,503.41 and 1,170.28

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Solution

The fourth proportional to 3,668.82, 5,503.41 and 1,170.28 is: 1,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.82 : 5,503.41 = 1,170.28 : x
  2. Step 2: Convert to fraction form
    3,668.82/5,503.41 = 1,170.28/x
  3. Step 3: Cross multiply
    3,668.82x = 5,503.41 × 1,170.28
  4. Step 4: Simplify right side
    3,668.82x = 6,440,506.58
  5. Step 5: Solve for x
    x = 6,440,506.58/3,668.82
  6. Step 6: Final answer
    x = 1,755.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.