Home / 5,649.26-7,802.37-3,853.68

Finding the Fourth Proportional to 5,649.26, 7,802.37 and 3,853.68

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Solution

The fourth proportional to 5,649.26, 7,802.37 and 3,853.68 is: 5,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.26 : 7,802.37 = 3,853.68 : x
  2. Step 2: Convert to fraction form
    5,649.26/7,802.37 = 3,853.68/x
  3. Step 3: Cross multiply
    5,649.26x = 7,802.37 × 3,853.68
  4. Step 4: Simplify right side
    5,649.26x = 30,067,837.22
  5. Step 5: Solve for x
    x = 30,067,837.22/5,649.26
  6. Step 6: Final answer
    x = 5,322.44

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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.