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Finding the Fourth Proportional to 4,187.99, 5,779.32 and 2,324.99

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Solution

The fourth proportional to 4,187.99, 5,779.32 and 2,324.99 is: 3,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.99 : 5,779.32 = 2,324.99 : x
  2. Step 2: Convert to fraction form
    4,187.99/5,779.32 = 2,324.99/x
  3. Step 3: Cross multiply
    4,187.99x = 5,779.32 × 2,324.99
  4. Step 4: Simplify right side
    4,187.99x = 13,436,861.21
  5. Step 5: Solve for x
    x = 13,436,861.21/4,187.99
  6. Step 6: Final answer
    x = 3,208.43

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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.