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Finding the Fourth Proportional to 5,458.99, 7,532.43 and 3,100.67

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Solution

The fourth proportional to 5,458.99, 7,532.43 and 3,100.67 is: 4,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.99 : 7,532.43 = 3,100.67 : x
  2. Step 2: Convert to fraction form
    5,458.99/7,532.43 = 3,100.67/x
  3. Step 3: Cross multiply
    5,458.99x = 7,532.43 × 3,100.67
  4. Step 4: Simplify right side
    5,458.99x = 23,355,579.73
  5. Step 5: Solve for x
    x = 23,355,579.73/5,458.99
  6. Step 6: Final answer
    x = 4,278.37

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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.