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Finding the Fourth Proportional to 5,863, 8,090.94 and 3,210.43

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Solution

The fourth proportional to 5,863, 8,090.94 and 3,210.43 is: 4,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863 : 8,090.94 = 3,210.43 : x
  2. Step 2: Convert to fraction form
    5,863/8,090.94 = 3,210.43/x
  3. Step 3: Cross multiply
    5,863x = 8,090.94 × 3,210.43
  4. Step 4: Simplify right side
    5,863x = 25,975,396.50
  5. Step 5: Solve for x
    x = 25,975,396.50/5,863
  6. Step 6: Final answer
    x = 4,430.39

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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.