Home / 3,520.36-4,855.14-3,053.80

Finding the Fourth Proportional to 3,520.36, 4,855.14 and 3,053.80

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Solution

The fourth proportional to 3,520.36, 4,855.14 and 3,053.80 is: 4,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.36 : 4,855.14 = 3,053.80 : x
  2. Step 2: Convert to fraction form
    3,520.36/4,855.14 = 3,053.80/x
  3. Step 3: Cross multiply
    3,520.36x = 4,855.14 × 3,053.80
  4. Step 4: Simplify right side
    3,520.36x = 14,826,626.53
  5. Step 5: Solve for x
    x = 14,826,626.53/3,520.36
  6. Step 6: Final answer
    x = 4,211.68

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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.