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Finding the Fourth Proportional to 4,955.26, 6,838 and 2,859.25

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Solution

The fourth proportional to 4,955.26, 6,838 and 2,859.25 is: 3,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.26 : 6,838 = 2,859.25 : x
  2. Step 2: Convert to fraction form
    4,955.26/6,838 = 2,859.25/x
  3. Step 3: Cross multiply
    4,955.26x = 6,838 × 2,859.25
  4. Step 4: Simplify right side
    4,955.26x = 19,551,551.50
  5. Step 5: Solve for x
    x = 19,551,551.50/4,955.26
  6. Step 6: Final answer
    x = 3,945.62

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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.