Home / 7,243.24-10,861.02-3,137

Finding the Fourth Proportional to 7,243.24, 10,861.02 and 3,137

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Solution

The fourth proportional to 7,243.24, 10,861.02 and 3,137 is: 4,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.24 : 10,861.02 = 3,137 : x
  2. Step 2: Convert to fraction form
    7,243.24/10,861.02 = 3,137/x
  3. Step 3: Cross multiply
    7,243.24x = 10,861.02 × 3,137
  4. Step 4: Simplify right side
    7,243.24x = 34,071,019.74
  5. Step 5: Solve for x
    x = 34,071,019.74/7,243.24
  6. Step 6: Final answer
    x = 4,703.84

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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.