Home / 6,257.41-8,638.35-3,604.31

Finding the Fourth Proportional to 6,257.41, 8,638.35 and 3,604.31

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Solution

The fourth proportional to 6,257.41, 8,638.35 and 3,604.31 is: 4,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.41 : 8,638.35 = 3,604.31 : x
  2. Step 2: Convert to fraction form
    6,257.41/8,638.35 = 3,604.31/x
  3. Step 3: Cross multiply
    6,257.41x = 8,638.35 × 3,604.31
  4. Step 4: Simplify right side
    6,257.41x = 31,135,248.10
  5. Step 5: Solve for x
    x = 31,135,248.10/6,257.41
  6. Step 6: Final answer
    x = 4,975.74

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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.