Home / 3,211.03-4,430.67-1,794.65

Finding the Fourth Proportional to 3,211.03, 4,430.67 and 1,794.65

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Solution

The fourth proportional to 3,211.03, 4,430.67 and 1,794.65 is: 2,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.03 : 4,430.67 = 1,794.65 : x
  2. Step 2: Convert to fraction form
    3,211.03/4,430.67 = 1,794.65/x
  3. Step 3: Cross multiply
    3,211.03x = 4,430.67 × 1,794.65
  4. Step 4: Simplify right side
    3,211.03x = 7,951,501.92
  5. Step 5: Solve for x
    x = 7,951,501.92/3,211.03
  6. Step 6: Final answer
    x = 2,476.31

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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.