Home / 5,231.22-7,841.58-2,309.02

Finding the Fourth Proportional to 5,231.22, 7,841.58 and 2,309.02

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Solution

The fourth proportional to 5,231.22, 7,841.58 and 2,309.02 is: 3,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.22 : 7,841.58 = 2,309.02 : x
  2. Step 2: Convert to fraction form
    5,231.22/7,841.58 = 2,309.02/x
  3. Step 3: Cross multiply
    5,231.22x = 7,841.58 × 2,309.02
  4. Step 4: Simplify right side
    5,231.22x = 18,106,365.05
  5. Step 5: Solve for x
    x = 18,106,365.05/5,231.22
  6. Step 6: Final answer
    x = 3,461.21

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1.5x scale

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.