Home / 3,007.03-4,149.54-1,680.48

Finding the Fourth Proportional to 3,007.03, 4,149.54 and 1,680.48

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Solution

The fourth proportional to 3,007.03, 4,149.54 and 1,680.48 is: 2,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.03 : 4,149.54 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    3,007.03/4,149.54 = 1,680.48/x
  3. Step 3: Cross multiply
    3,007.03x = 4,149.54 × 1,680.48
  4. Step 4: Simplify right side
    3,007.03x = 6,973,218.98
  5. Step 5: Solve for x
    x = 6,973,218.98/3,007.03
  6. Step 6: Final answer
    x = 2,318.97

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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.