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Finding the Fourth Proportional to 5,253.99, 7,880.98 and 3,605.54

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Solution

The fourth proportional to 5,253.99, 7,880.98 and 3,605.54 is: 5,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.99 : 7,880.98 = 3,605.54 : x
  2. Step 2: Convert to fraction form
    5,253.99/7,880.98 = 3,605.54/x
  3. Step 3: Cross multiply
    5,253.99x = 7,880.98 × 3,605.54
  4. Step 4: Simplify right side
    5,253.99x = 28,415,188.63
  5. Step 5: Solve for x
    x = 28,415,188.63/5,253.99
  6. Step 6: Final answer
    x = 5,408.31

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Similar ratio
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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.