Home / 4,438.85-6,661.71-1,668.04

Finding the Fourth Proportional to 4,438.85, 6,661.71 and 1,668.04

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Solution

The fourth proportional to 4,438.85, 6,661.71 and 1,668.04 is: 2,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.85 : 6,661.71 = 1,668.04 : x
  2. Step 2: Convert to fraction form
    4,438.85/6,661.71 = 1,668.04/x
  3. Step 3: Cross multiply
    4,438.85x = 6,661.71 × 1,668.04
  4. Step 4: Simplify right side
    4,438.85x = 11,111,982.09
  5. Step 5: Solve for x
    x = 11,111,982.09/4,438.85
  6. Step 6: Final answer
    x = 2,503.35

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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.