Home / 2,172.32-3,250.42-1,295.30

Finding the Fourth Proportional to 2,172.32, 3,250.42 and 1,295.30

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Solution

The fourth proportional to 2,172.32, 3,250.42 and 1,295.30 is: 1,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.32 : 3,250.42 = 1,295.30 : x
  2. Step 2: Convert to fraction form
    2,172.32/3,250.42 = 1,295.30/x
  3. Step 3: Cross multiply
    2,172.32x = 3,250.42 × 1,295.30
  4. Step 4: Simplify right side
    2,172.32x = 4,210,269.03
  5. Step 5: Solve for x
    x = 4,210,269.03/2,172.32
  6. Step 6: Final answer
    x = 1,938.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.