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Finding the Fourth Proportional to 4,309.51, 5,945.24 and 2,715.19

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Solution

The fourth proportional to 4,309.51, 5,945.24 and 2,715.19 is: 3,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.51 : 5,945.24 = 2,715.19 : x
  2. Step 2: Convert to fraction form
    4,309.51/5,945.24 = 2,715.19/x
  3. Step 3: Cross multiply
    4,309.51x = 5,945.24 × 2,715.19
  4. Step 4: Simplify right side
    4,309.51x = 16,142,433.26
  5. Step 5: Solve for x
    x = 16,142,433.26/4,309.51
  6. Step 6: Final answer
    x = 3,745.77

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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.