Home / 1,447.32-2,172.06-1,063.56

Finding the Fourth Proportional to 1,447.32, 2,172.06 and 1,063.56

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Solution

The fourth proportional to 1,447.32, 2,172.06 and 1,063.56 is: 1,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.32 : 2,172.06 = 1,063.56 : x
  2. Step 2: Convert to fraction form
    1,447.32/2,172.06 = 1,063.56/x
  3. Step 3: Cross multiply
    1,447.32x = 2,172.06 × 1,063.56
  4. Step 4: Simplify right side
    1,447.32x = 2,310,116.13
  5. Step 5: Solve for x
    x = 2,310,116.13/1,447.32
  6. Step 6: Final answer
    x = 1,596.13

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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.