Home / 3,516.19-4,855.77-2,190.49

Finding the Fourth Proportional to 3,516.19, 4,855.77 and 2,190.49

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Solution

The fourth proportional to 3,516.19, 4,855.77 and 2,190.49 is: 3,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.19 : 4,855.77 = 2,190.49 : x
  2. Step 2: Convert to fraction form
    3,516.19/4,855.77 = 2,190.49/x
  3. Step 3: Cross multiply
    3,516.19x = 4,855.77 × 2,190.49
  4. Step 4: Simplify right side
    3,516.19x = 10,636,515.63
  5. Step 5: Solve for x
    x = 10,636,515.63/3,516.19
  6. Step 6: Final answer
    x = 3,025.01

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Half scale
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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.