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Finding the Fourth Proportional to 3,714.99, 5,558.45 and 2,228.55

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Solution

The fourth proportional to 3,714.99, 5,558.45 and 2,228.55 is: 3,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.99 : 5,558.45 = 2,228.55 : x
  2. Step 2: Convert to fraction form
    3,714.99/5,558.45 = 2,228.55/x
  3. Step 3: Cross multiply
    3,714.99x = 5,558.45 × 2,228.55
  4. Step 4: Simplify right side
    3,714.99x = 12,387,272.60
  5. Step 5: Solve for x
    x = 12,387,272.60/3,714.99
  6. Step 6: Final answer
    x = 3,334.40

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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.