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Finding the Fourth Proportional to 4,859.48, 6,706.86 and 2,764.28

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Solution

The fourth proportional to 4,859.48, 6,706.86 and 2,764.28 is: 3,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.48 : 6,706.86 = 2,764.28 : x
  2. Step 2: Convert to fraction form
    4,859.48/6,706.86 = 2,764.28/x
  3. Step 3: Cross multiply
    4,859.48x = 6,706.86 × 2,764.28
  4. Step 4: Simplify right side
    4,859.48x = 18,539,638.96
  5. Step 5: Solve for x
    x = 18,539,638.96/4,859.48
  6. Step 6: Final answer
    x = 3,815.15

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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.