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Finding the Fourth Proportional to 4,355.57, 6,533.12 and 4,098.74

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Solution

The fourth proportional to 4,355.57, 6,533.12 and 4,098.74 is: 6,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.57 : 6,533.12 = 4,098.74 : x
  2. Step 2: Convert to fraction form
    4,355.57/6,533.12 = 4,098.74/x
  3. Step 3: Cross multiply
    4,355.57x = 6,533.12 × 4,098.74
  4. Step 4: Simplify right side
    4,355.57x = 26,777,537.85
  5. Step 5: Solve for x
    x = 26,777,537.85/4,355.57
  6. Step 6: Final answer
    x = 6,147.88

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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.