Home / 1,967.09-2,714.51-1,170.41

Finding the Fourth Proportional to 1,967.09, 2,714.51 and 1,170.41

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Solution

The fourth proportional to 1,967.09, 2,714.51 and 1,170.41 is: 1,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.09 : 2,714.51 = 1,170.41 : x
  2. Step 2: Convert to fraction form
    1,967.09/2,714.51 = 1,170.41/x
  3. Step 3: Cross multiply
    1,967.09x = 2,714.51 × 1,170.41
  4. Step 4: Simplify right side
    1,967.09x = 3,177,079.00
  5. Step 5: Solve for x
    x = 3,177,079.00/1,967.09
  6. Step 6: Final answer
    x = 1,615.12

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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.