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Finding the Fourth Proportional to 5,328.99, 7,353.87 and 3,090.73

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Solution

The fourth proportional to 5,328.99, 7,353.87 and 3,090.73 is: 4,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.99 : 7,353.87 = 3,090.73 : x
  2. Step 2: Convert to fraction form
    5,328.99/7,353.87 = 3,090.73/x
  3. Step 3: Cross multiply
    5,328.99x = 7,353.87 × 3,090.73
  4. Step 4: Simplify right side
    5,328.99x = 22,728,826.63
  5. Step 5: Solve for x
    x = 22,728,826.63/5,328.99
  6. Step 6: Final answer
    x = 4,265.13

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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.