Home / 6,837.91-10,256.86-2,158.39

Finding the Fourth Proportional to 6,837.91, 10,256.86 and 2,158.39

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Solution

The fourth proportional to 6,837.91, 10,256.86 and 2,158.39 is: 3,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.91 : 10,256.86 = 2,158.39 : x
  2. Step 2: Convert to fraction form
    6,837.91/10,256.86 = 2,158.39/x
  3. Step 3: Cross multiply
    6,837.91x = 10,256.86 × 2,158.39
  4. Step 4: Simplify right side
    6,837.91x = 22,138,249.74
  5. Step 5: Solve for x
    x = 22,138,249.74/6,837.91
  6. Step 6: Final answer
    x = 3,237.58

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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.