Home / 4,785.17-7,174.44-2,440.62

Finding the Fourth Proportional to 4,785.17, 7,174.44 and 2,440.62

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Solution

The fourth proportional to 4,785.17, 7,174.44 and 2,440.62 is: 3,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.17 : 7,174.44 = 2,440.62 : x
  2. Step 2: Convert to fraction form
    4,785.17/7,174.44 = 2,440.62/x
  3. Step 3: Cross multiply
    4,785.17x = 7,174.44 × 2,440.62
  4. Step 4: Simplify right side
    4,785.17x = 17,510,081.75
  5. Step 5: Solve for x
    x = 17,510,081.75/4,785.17
  6. Step 6: Final answer
    x = 3,659.24

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Double scale
Find fourth proportional to 4,786.17, 7,175.94 and 2,441.62
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.