Home / 5,149.24-7,106.94-3,287.32

Finding the Fourth Proportional to 5,149.24, 7,106.94 and 3,287.32

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Solution

The fourth proportional to 5,149.24, 7,106.94 and 3,287.32 is: 4,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.24 : 7,106.94 = 3,287.32 : x
  2. Step 2: Convert to fraction form
    5,149.24/7,106.94 = 3,287.32/x
  3. Step 3: Cross multiply
    5,149.24x = 7,106.94 × 3,287.32
  4. Step 4: Simplify right side
    5,149.24x = 23,362,786.00
  5. Step 5: Solve for x
    x = 23,362,786.00/5,149.24
  6. Step 6: Final answer
    x = 4,537.13

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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.