Home / 7,631.64-11,447.52-2,701.30

Finding the Fourth Proportional to 7,631.64, 11,447.52 and 2,701.30

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Solution

The fourth proportional to 7,631.64, 11,447.52 and 2,701.30 is: 4,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.64 : 11,447.52 = 2,701.30 : x
  2. Step 2: Convert to fraction form
    7,631.64/11,447.52 = 2,701.30/x
  3. Step 3: Cross multiply
    7,631.64x = 11,447.52 × 2,701.30
  4. Step 4: Simplify right side
    7,631.64x = 30,923,185.78
  5. Step 5: Solve for x
    x = 30,923,185.78/7,631.64
  6. Step 6: Final answer
    x = 4,051.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.