Home / 5,193.12-7,166.70-2,835.42

Finding the Fourth Proportional to 5,193.12, 7,166.70 and 2,835.42

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Solution

The fourth proportional to 5,193.12, 7,166.70 and 2,835.42 is: 3,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.12 : 7,166.70 = 2,835.42 : x
  2. Step 2: Convert to fraction form
    5,193.12/7,166.70 = 2,835.42/x
  3. Step 3: Cross multiply
    5,193.12x = 7,166.70 × 2,835.42
  4. Step 4: Simplify right side
    5,193.12x = 20,320,604.51
  5. Step 5: Solve for x
    x = 20,320,604.51/5,193.12
  6. Step 6: Final answer
    x = 3,912.99

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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.