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Finding the Fourth Proportional to 4,393.06, 6,059 and 2,821.30

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Solution

The fourth proportional to 4,393.06, 6,059 and 2,821.30 is: 3,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.06 : 6,059 = 2,821.30 : x
  2. Step 2: Convert to fraction form
    4,393.06/6,059 = 2,821.30/x
  3. Step 3: Cross multiply
    4,393.06x = 6,059 × 2,821.30
  4. Step 4: Simplify right side
    4,393.06x = 17,094,256.70
  5. Step 5: Solve for x
    x = 17,094,256.70/4,393.06
  6. Step 6: Final answer
    x = 3,891.20

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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.