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Finding the Fourth Proportional to 3,478.99, 5,216.94 and 2,501

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Solution

The fourth proportional to 3,478.99, 5,216.94 and 2,501 is: 3,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.99 : 5,216.94 = 2,501 : x
  2. Step 2: Convert to fraction form
    3,478.99/5,216.94 = 2,501/x
  3. Step 3: Cross multiply
    3,478.99x = 5,216.94 × 2,501
  4. Step 4: Simplify right side
    3,478.99x = 13,047,566.94
  5. Step 5: Solve for x
    x = 13,047,566.94/3,478.99
  6. Step 6: Final answer
    x = 3,750.39

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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.