Home / 7,179.83-9,910.87-4,196.63

Finding the Fourth Proportional to 7,179.83, 9,910.87 and 4,196.63

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Solution

The fourth proportional to 7,179.83, 9,910.87 and 4,196.63 is: 5,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.83 : 9,910.87 = 4,196.63 : x
  2. Step 2: Convert to fraction form
    7,179.83/9,910.87 = 4,196.63/x
  3. Step 3: Cross multiply
    7,179.83x = 9,910.87 × 4,196.63
  4. Step 4: Simplify right side
    7,179.83x = 41,592,268.65
  5. Step 5: Solve for x
    x = 41,592,268.65/7,179.83
  6. Step 6: Final answer
    x = 5,792.93

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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.