Home / 5,310.96-7,327.02-3,072.42

Finding the Fourth Proportional to 5,310.96, 7,327.02 and 3,072.42

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Solution

The fourth proportional to 5,310.96, 7,327.02 and 3,072.42 is: 4,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.96 : 7,327.02 = 3,072.42 : x
  2. Step 2: Convert to fraction form
    5,310.96/7,327.02 = 3,072.42/x
  3. Step 3: Cross multiply
    5,310.96x = 7,327.02 × 3,072.42
  4. Step 4: Simplify right side
    5,310.96x = 22,511,682.79
  5. Step 5: Solve for x
    x = 22,511,682.79/5,310.96
  6. Step 6: Final answer
    x = 4,238.72

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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.