Home / 3,480.85-5,222.08-1,015.93

Finding the Fourth Proportional to 3,480.85, 5,222.08 and 1,015.93

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Solution

The fourth proportional to 3,480.85, 5,222.08 and 1,015.93 is: 1,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.85 : 5,222.08 = 1,015.93 : x
  2. Step 2: Convert to fraction form
    3,480.85/5,222.08 = 1,015.93/x
  3. Step 3: Cross multiply
    3,480.85x = 5,222.08 × 1,015.93
  4. Step 4: Simplify right side
    3,480.85x = 5,305,267.73
  5. Step 5: Solve for x
    x = 5,305,267.73/3,480.85
  6. Step 6: Final answer
    x = 1,524.13

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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.