Home / 4,072.32-6,107.28-3,418.32

Finding the Fourth Proportional to 4,072.32, 6,107.28 and 3,418.32

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Solution

The fourth proportional to 4,072.32, 6,107.28 and 3,418.32 is: 5,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.32 : 6,107.28 = 3,418.32 : x
  2. Step 2: Convert to fraction form
    4,072.32/6,107.28 = 3,418.32/x
  3. Step 3: Cross multiply
    4,072.32x = 6,107.28 × 3,418.32
  4. Step 4: Simplify right side
    4,072.32x = 20,876,637.37
  5. Step 5: Solve for x
    x = 20,876,637.37/4,072.32
  6. Step 6: Final answer
    x = 5,126.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.