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Finding the Fourth Proportional to 4,865.63, 6,708.42 and 3,184.37

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Solution

The fourth proportional to 4,865.63, 6,708.42 and 3,184.37 is: 4,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.63 : 6,708.42 = 3,184.37 : x
  2. Step 2: Convert to fraction form
    4,865.63/6,708.42 = 3,184.37/x
  3. Step 3: Cross multiply
    4,865.63x = 6,708.42 × 3,184.37
  4. Step 4: Simplify right side
    4,865.63x = 21,362,091.40
  5. Step 5: Solve for x
    x = 21,362,091.40/4,865.63
  6. Step 6: Final answer
    x = 4,390.41

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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.