Home / 5,268.04-7,890.54-3,211.72

Finding the Fourth Proportional to 5,268.04, 7,890.54 and 3,211.72

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Solution

The fourth proportional to 5,268.04, 7,890.54 and 3,211.72 is: 4,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.04 : 7,890.54 = 3,211.72 : x
  2. Step 2: Convert to fraction form
    5,268.04/7,890.54 = 3,211.72/x
  3. Step 3: Cross multiply
    5,268.04x = 7,890.54 × 3,211.72
  4. Step 4: Simplify right side
    5,268.04x = 25,342,205.13
  5. Step 5: Solve for x
    x = 25,342,205.13/5,268.04
  6. Step 6: Final answer
    x = 4,810.56

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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.