Home / 1,742.17-2,403.21-995.97

Finding the Fourth Proportional to 1,742.17, 2,403.21 and 995.97

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Solution

The fourth proportional to 1,742.17, 2,403.21 and 995.97 is: 1,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.17 : 2,403.21 = 995.97 : x
  2. Step 2: Convert to fraction form
    1,742.17/2,403.21 = 995.97/x
  3. Step 3: Cross multiply
    1,742.17x = 2,403.21 × 995.97
  4. Step 4: Simplify right side
    1,742.17x = 2,393,525.06
  5. Step 5: Solve for x
    x = 2,393,525.06/1,742.17
  6. Step 6: Final answer
    x = 1,373.88

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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.