Home / 5,235.12-7,224.81-3,247.00

Finding the Fourth Proportional to 5,235.12, 7,224.81 and 3,247.00

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Solution

The fourth proportional to 5,235.12, 7,224.81 and 3,247.00 is: 4,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.12 : 7,224.81 = 3,247.00 : x
  2. Step 2: Convert to fraction form
    5,235.12/7,224.81 = 3,247.00/x
  3. Step 3: Cross multiply
    5,235.12x = 7,224.81 × 3,247.00
  4. Step 4: Simplify right side
    5,235.12x = 23,458,927.83
  5. Step 5: Solve for x
    x = 23,458,927.83/5,235.12
  6. Step 6: Final answer
    x = 4,481.07

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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.