Home / 4,845.40-6,684.60-3,049.70

Finding the Fourth Proportional to 4,845.40, 6,684.60 and 3,049.70

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Solution

The fourth proportional to 4,845.40, 6,684.60 and 3,049.70 is: 4,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.40 : 6,684.60 = 3,049.70 : x
  2. Step 2: Convert to fraction form
    4,845.40/6,684.60 = 3,049.70/x
  3. Step 3: Cross multiply
    4,845.40x = 6,684.60 × 3,049.70
  4. Step 4: Simplify right side
    4,845.40x = 20,386,002.63
  5. Step 5: Solve for x
    x = 20,386,002.63/4,845.40
  6. Step 6: Final answer
    x = 4,207.29

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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.