Home / 5,288.14-7,297.86-3,518.56

Finding the Fourth Proportional to 5,288.14, 7,297.86 and 3,518.56

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Solution

The fourth proportional to 5,288.14, 7,297.86 and 3,518.56 is: 4,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.14 : 7,297.86 = 3,518.56 : x
  2. Step 2: Convert to fraction form
    5,288.14/7,297.86 = 3,518.56/x
  3. Step 3: Cross multiply
    5,288.14x = 7,297.86 × 3,518.56
  4. Step 4: Simplify right side
    5,288.14x = 25,677,958.28
  5. Step 5: Solve for x
    x = 25,677,958.28/5,288.14
  6. Step 6: Final answer
    x = 4,855.76

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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.