Home / 2,198.03-3,297.05-554.58

Finding the Fourth Proportional to 2,198.03, 3,297.05 and 554.58

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Solution

The fourth proportional to 2,198.03, 3,297.05 and 554.58 is: 831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.03 : 3,297.05 = 554.58 : x
  2. Step 2: Convert to fraction form
    2,198.03/3,297.05 = 554.58/x
  3. Step 3: Cross multiply
    2,198.03x = 3,297.05 × 554.58
  4. Step 4: Simplify right side
    2,198.03x = 1,828,477.99
  5. Step 5: Solve for x
    x = 1,828,477.99/2,198.03
  6. Step 6: Final answer
    x = 831.87

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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.