Home / 6,187.41-8,538.71-3,393.09

Finding the Fourth Proportional to 6,187.41, 8,538.71 and 3,393.09

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Solution

The fourth proportional to 6,187.41, 8,538.71 and 3,393.09 is: 4,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.41 : 8,538.71 = 3,393.09 : x
  2. Step 2: Convert to fraction form
    6,187.41/8,538.71 = 3,393.09/x
  3. Step 3: Cross multiply
    6,187.41x = 8,538.71 × 3,393.09
  4. Step 4: Simplify right side
    6,187.41x = 28,972,594.55
  5. Step 5: Solve for x
    x = 28,972,594.55/6,187.41
  6. Step 6: Final answer
    x = 4,682.51

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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.