Home / 5,297.87-7,311.41-3,059.84

Finding the Fourth Proportional to 5,297.87, 7,311.41 and 3,059.84

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Solution

The fourth proportional to 5,297.87, 7,311.41 and 3,059.84 is: 4,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.87 : 7,311.41 = 3,059.84 : x
  2. Step 2: Convert to fraction form
    5,297.87/7,311.41 = 3,059.84/x
  3. Step 3: Cross multiply
    5,297.87x = 7,311.41 × 3,059.84
  4. Step 4: Simplify right side
    5,297.87x = 22,371,744.77
  5. Step 5: Solve for x
    x = 22,371,744.77/5,297.87
  6. Step 6: Final answer
    x = 4,222.78

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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.