Home / 2,997.41-4,131.47-2,002.32

Finding the Fourth Proportional to 2,997.41, 4,131.47 and 2,002.32

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Solution

The fourth proportional to 2,997.41, 4,131.47 and 2,002.32 is: 2,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.41 : 4,131.47 = 2,002.32 : x
  2. Step 2: Convert to fraction form
    2,997.41/4,131.47 = 2,002.32/x
  3. Step 3: Cross multiply
    2,997.41x = 4,131.47 × 2,002.32
  4. Step 4: Simplify right side
    2,997.41x = 8,272,530.49
  5. Step 5: Solve for x
    x = 8,272,530.49/2,997.41
  6. Step 6: Final answer
    x = 2,759.89

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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.