Home / 6,237.59-8,606.39-3,878.46

Finding the Fourth Proportional to 6,237.59, 8,606.39 and 3,878.46

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Solution

The fourth proportional to 6,237.59, 8,606.39 and 3,878.46 is: 5,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.59 : 8,606.39 = 3,878.46 : x
  2. Step 2: Convert to fraction form
    6,237.59/8,606.39 = 3,878.46/x
  3. Step 3: Cross multiply
    6,237.59x = 8,606.39 × 3,878.46
  4. Step 4: Simplify right side
    6,237.59x = 33,379,519.97
  5. Step 5: Solve for x
    x = 33,379,519.97/6,237.59
  6. Step 6: Final answer
    x = 5,351.35

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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.