Home / 1,761.84-2,431.44-1,063.32

Finding the Fourth Proportional to 1,761.84, 2,431.44 and 1,063.32

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Solution

The fourth proportional to 1,761.84, 2,431.44 and 1,063.32 is: 1,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.84 : 2,431.44 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    1,761.84/2,431.44 = 1,063.32/x
  3. Step 3: Cross multiply
    1,761.84x = 2,431.44 × 1,063.32
  4. Step 4: Simplify right side
    1,761.84x = 2,585,398.78
  5. Step 5: Solve for x
    x = 2,585,398.78/1,761.84
  6. Step 6: Final answer
    x = 1,467.44

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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.