Home / 4,211.50-5,811.75-2,323.09

Finding the Fourth Proportional to 4,211.50, 5,811.75 and 2,323.09

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Solution

The fourth proportional to 4,211.50, 5,811.75 and 2,323.09 is: 3,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.50 : 5,811.75 = 2,323.09 : x
  2. Step 2: Convert to fraction form
    4,211.50/5,811.75 = 2,323.09/x
  3. Step 3: Cross multiply
    4,211.50x = 5,811.75 × 2,323.09
  4. Step 4: Simplify right side
    4,211.50x = 13,501,218.31
  5. Step 5: Solve for x
    x = 13,501,218.31/4,211.50
  6. Step 6: Final answer
    x = 3,205.80

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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.