Home / 5,450.70-8,166.45-4,682.70

Finding the Fourth Proportional to 5,450.70, 8,166.45 and 4,682.70

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Solution

The fourth proportional to 5,450.70, 8,166.45 and 4,682.70 is: 7,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.70 : 8,166.45 = 4,682.70 : x
  2. Step 2: Convert to fraction form
    5,450.70/8,166.45 = 4,682.70/x
  3. Step 3: Cross multiply
    5,450.70x = 8,166.45 × 4,682.70
  4. Step 4: Simplify right side
    5,450.70x = 38,241,035.42
  5. Step 5: Solve for x
    x = 38,241,035.42/5,450.70
  6. Step 6: Final answer
    x = 7,015.80

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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.