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Finding the Fourth Proportional to 3,841.68, 5,297.16 and 3,339.92

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Solution

The fourth proportional to 3,841.68, 5,297.16 and 3,339.92 is: 4,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.68 : 5,297.16 = 3,339.92 : x
  2. Step 2: Convert to fraction form
    3,841.68/5,297.16 = 3,339.92/x
  3. Step 3: Cross multiply
    3,841.68x = 5,297.16 × 3,339.92
  4. Step 4: Simplify right side
    3,841.68x = 17,692,090.63
  5. Step 5: Solve for x
    x = 17,692,090.63/3,841.68
  6. Step 6: Final answer
    x = 4,605.30

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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.