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Finding the Fourth Proportional to 4,739.74, 7,098.84 and 2,886.77

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Solution

The fourth proportional to 4,739.74, 7,098.84 and 2,886.77 is: 4,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.74 : 7,098.84 = 2,886.77 : x
  2. Step 2: Convert to fraction form
    4,739.74/7,098.84 = 2,886.77/x
  3. Step 3: Cross multiply
    4,739.74x = 7,098.84 × 2,886.77
  4. Step 4: Simplify right side
    4,739.74x = 20,492,736.09
  5. Step 5: Solve for x
    x = 20,492,736.09/4,739.74
  6. Step 6: Final answer
    x = 4,323.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.