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Finding the Fourth Proportional to 3,458.52, 4,768.98 and 2,739.42

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Solution

The fourth proportional to 3,458.52, 4,768.98 and 2,739.42 is: 3,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.52 : 4,768.98 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    3,458.52/4,768.98 = 2,739.42/x
  3. Step 3: Cross multiply
    3,458.52x = 4,768.98 × 2,739.42
  4. Step 4: Simplify right side
    3,458.52x = 13,064,239.19
  5. Step 5: Solve for x
    x = 13,064,239.19/3,458.52
  6. Step 6: Final answer
    x = 3,777.41

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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.