Home / 5,411.75-7,465.60-3,172.23

Finding the Fourth Proportional to 5,411.75, 7,465.60 and 3,172.23

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Solution

The fourth proportional to 5,411.75, 7,465.60 and 3,172.23 is: 4,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.75 : 7,465.60 = 3,172.23 : x
  2. Step 2: Convert to fraction form
    5,411.75/7,465.60 = 3,172.23/x
  3. Step 3: Cross multiply
    5,411.75x = 7,465.60 × 3,172.23
  4. Step 4: Simplify right side
    5,411.75x = 23,682,600.29
  5. Step 5: Solve for x
    x = 23,682,600.29/5,411.75
  6. Step 6: Final answer
    x = 4,376.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.