Home / 3,090.26-4,264.68-1,693.02

Finding the Fourth Proportional to 3,090.26, 4,264.68 and 1,693.02

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Solution

The fourth proportional to 3,090.26, 4,264.68 and 1,693.02 is: 2,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.26 : 4,264.68 = 1,693.02 : x
  2. Step 2: Convert to fraction form
    3,090.26/4,264.68 = 1,693.02/x
  3. Step 3: Cross multiply
    3,090.26x = 4,264.68 × 1,693.02
  4. Step 4: Simplify right side
    3,090.26x = 7,220,188.53
  5. Step 5: Solve for x
    x = 7,220,188.53/3,090.26
  6. Step 6: Final answer
    x = 2,336.43

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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.