Home / 3,063.64-4,227.81-1,666.39

Finding the Fourth Proportional to 3,063.64, 4,227.81 and 1,666.39

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Solution

The fourth proportional to 3,063.64, 4,227.81 and 1,666.39 is: 2,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.64 : 4,227.81 = 1,666.39 : x
  2. Step 2: Convert to fraction form
    3,063.64/4,227.81 = 1,666.39/x
  3. Step 3: Cross multiply
    3,063.64x = 4,227.81 × 1,666.39
  4. Step 4: Simplify right side
    3,063.64x = 7,045,180.31
  5. Step 5: Solve for x
    x = 7,045,180.31/3,063.64
  6. Step 6: Final answer
    x = 2,299.61

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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.