Home / 6,425.41-8,872.09-4,930.96

Finding the Fourth Proportional to 6,425.41, 8,872.09 and 4,930.96

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Solution

The fourth proportional to 6,425.41, 8,872.09 and 4,930.96 is: 6,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.41 : 8,872.09 = 4,930.96 : x
  2. Step 2: Convert to fraction form
    6,425.41/8,872.09 = 4,930.96/x
  3. Step 3: Cross multiply
    6,425.41x = 8,872.09 × 4,930.96
  4. Step 4: Simplify right side
    6,425.41x = 43,747,950.49
  5. Step 5: Solve for x
    x = 43,747,950.49/6,425.41
  6. Step 6: Final answer
    x = 6,808.58

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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.