Home / 3,090.51-4,264.92-1,693.26

Finding the Fourth Proportional to 3,090.51, 4,264.92 and 1,693.26

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Solution

The fourth proportional to 3,090.51, 4,264.92 and 1,693.26 is: 2,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.51 : 4,264.92 = 1,693.26 : x
  2. Step 2: Convert to fraction form
    3,090.51/4,264.92 = 1,693.26/x
  3. Step 3: Cross multiply
    3,090.51x = 4,264.92 × 1,693.26
  4. Step 4: Simplify right side
    3,090.51x = 7,221,618.44
  5. Step 5: Solve for x
    x = 7,221,618.44/3,090.51
  6. Step 6: Final answer
    x = 2,336.71

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1.5x scale

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.