Home / 5,268.24-7,269.12-3,172.50

Finding the Fourth Proportional to 5,268.24, 7,269.12 and 3,172.50

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Solution

The fourth proportional to 5,268.24, 7,269.12 and 3,172.50 is: 4,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.24 : 7,269.12 = 3,172.50 : x
  2. Step 2: Convert to fraction form
    5,268.24/7,269.12 = 3,172.50/x
  3. Step 3: Cross multiply
    5,268.24x = 7,269.12 × 3,172.50
  4. Step 4: Simplify right side
    5,268.24x = 23,061,283.20
  5. Step 5: Solve for x
    x = 23,061,283.20/5,268.24
  6. Step 6: Final answer
    x = 4,377.42

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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.