Home / 4,102.20-5,661.27-2,333.70

Finding the Fourth Proportional to 4,102.20, 5,661.27 and 2,333.70

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Solution

The fourth proportional to 4,102.20, 5,661.27 and 2,333.70 is: 3,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.20 : 5,661.27 = 2,333.70 : x
  2. Step 2: Convert to fraction form
    4,102.20/5,661.27 = 2,333.70/x
  3. Step 3: Cross multiply
    4,102.20x = 5,661.27 × 2,333.70
  4. Step 4: Simplify right side
    4,102.20x = 13,211,705.80
  5. Step 5: Solve for x
    x = 13,211,705.80/4,102.20
  6. Step 6: Final answer
    x = 3,220.64

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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.