Home / 3,007.26-4,150.17-1,680.89

Finding the Fourth Proportional to 3,007.26, 4,150.17 and 1,680.89

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Solution

The fourth proportional to 3,007.26, 4,150.17 and 1,680.89 is: 2,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.26 : 4,150.17 = 1,680.89 : x
  2. Step 2: Convert to fraction form
    3,007.26/4,150.17 = 1,680.89/x
  3. Step 3: Cross multiply
    3,007.26x = 4,150.17 × 1,680.89
  4. Step 4: Simplify right side
    3,007.26x = 6,975,958.50
  5. Step 5: Solve for x
    x = 6,975,958.50/3,007.26
  6. Step 6: Final answer
    x = 2,319.71

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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.