Home / 3,063.42-4,227.57-1,666.17

Finding the Fourth Proportional to 3,063.42, 4,227.57 and 1,666.17

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Solution

The fourth proportional to 3,063.42, 4,227.57 and 1,666.17 is: 2,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.42 : 4,227.57 = 1,666.17 : x
  2. Step 2: Convert to fraction form
    3,063.42/4,227.57 = 1,666.17/x
  3. Step 3: Cross multiply
    3,063.42x = 4,227.57 × 1,666.17
  4. Step 4: Simplify right side
    3,063.42x = 7,043,850.31
  5. Step 5: Solve for x
    x = 7,043,850.31/3,063.42
  6. Step 6: Final answer
    x = 2,299.34

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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.