Home / 4,960.40-6,843.20-3,068.70

Finding the Fourth Proportional to 4,960.40, 6,843.20 and 3,068.70

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Solution

The fourth proportional to 4,960.40, 6,843.20 and 3,068.70 is: 4,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.40 : 6,843.20 = 3,068.70 : x
  2. Step 2: Convert to fraction form
    4,960.40/6,843.20 = 3,068.70/x
  3. Step 3: Cross multiply
    4,960.40x = 6,843.20 × 3,068.70
  4. Step 4: Simplify right side
    4,960.40x = 20,999,712.50
  5. Step 5: Solve for x
    x = 20,999,712.50/4,960.40
  6. Step 6: Final answer
    x = 4,233.48

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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.