Home / 3,311.06-4,967.31-1,002.50

Finding the Fourth Proportional to 3,311.06, 4,967.31 and 1,002.50

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Solution

The fourth proportional to 3,311.06, 4,967.31 and 1,002.50 is: 1,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.06 : 4,967.31 = 1,002.50 : x
  2. Step 2: Convert to fraction form
    3,311.06/4,967.31 = 1,002.50/x
  3. Step 3: Cross multiply
    3,311.06x = 4,967.31 × 1,002.50
  4. Step 4: Simplify right side
    3,311.06x = 4,979,728.28
  5. Step 5: Solve for x
    x = 4,979,728.28/3,311.06
  6. Step 6: Final answer
    x = 1,503.97

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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.