Home / 7,287.93-10,054.85-4,143.33

Finding the Fourth Proportional to 7,287.93, 10,054.85 and 4,143.33

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Solution

The fourth proportional to 7,287.93, 10,054.85 and 4,143.33 is: 5,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.93 : 10,054.85 = 4,143.33 : x
  2. Step 2: Convert to fraction form
    7,287.93/10,054.85 = 4,143.33/x
  3. Step 3: Cross multiply
    7,287.93x = 10,054.85 × 4,143.33
  4. Step 4: Simplify right side
    7,287.93x = 41,660,540.93
  5. Step 5: Solve for x
    x = 41,660,540.93/7,287.93
  6. Step 6: Final answer
    x = 5,716.38

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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.