Home / 5,453.31-7,525.88-3,216.50

Finding the Fourth Proportional to 5,453.31, 7,525.88 and 3,216.50

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Solution

The fourth proportional to 5,453.31, 7,525.88 and 3,216.50 is: 4,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.31 : 7,525.88 = 3,216.50 : x
  2. Step 2: Convert to fraction form
    5,453.31/7,525.88 = 3,216.50/x
  3. Step 3: Cross multiply
    5,453.31x = 7,525.88 × 3,216.50
  4. Step 4: Simplify right side
    5,453.31x = 24,206,993.02
  5. Step 5: Solve for x
    x = 24,206,993.02/5,453.31
  6. Step 6: Final answer
    x = 4,438.95

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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.