Home / 6,975.21-9,625.77-4,180.71

Finding the Fourth Proportional to 6,975.21, 9,625.77 and 4,180.71

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Solution

The fourth proportional to 6,975.21, 9,625.77 and 4,180.71 is: 5,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.21 : 9,625.77 = 4,180.71 : x
  2. Step 2: Convert to fraction form
    6,975.21/9,625.77 = 4,180.71/x
  3. Step 3: Cross multiply
    6,975.21x = 9,625.77 × 4,180.71
  4. Step 4: Simplify right side
    6,975.21x = 40,242,552.90
  5. Step 5: Solve for x
    x = 40,242,552.90/6,975.21
  6. Step 6: Final answer
    x = 5,769.37

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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.