Home / 3,336.78-4,604.81-1,939.53

Finding the Fourth Proportional to 3,336.78, 4,604.81 and 1,939.53

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Solution

The fourth proportional to 3,336.78, 4,604.81 and 1,939.53 is: 2,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.78 : 4,604.81 = 1,939.53 : x
  2. Step 2: Convert to fraction form
    3,336.78/4,604.81 = 1,939.53/x
  3. Step 3: Cross multiply
    3,336.78x = 4,604.81 × 1,939.53
  4. Step 4: Simplify right side
    3,336.78x = 8,931,167.14
  5. Step 5: Solve for x
    x = 8,931,167.14/3,336.78
  6. Step 6: Final answer
    x = 2,676.58

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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.