Home / 3,564.19-4,918.69-1,992.29

Finding the Fourth Proportional to 3,564.19, 4,918.69 and 1,992.29

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Solution

The fourth proportional to 3,564.19, 4,918.69 and 1,992.29 is: 2,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.19 : 4,918.69 = 1,992.29 : x
  2. Step 2: Convert to fraction form
    3,564.19/4,918.69 = 1,992.29/x
  3. Step 3: Cross multiply
    3,564.19x = 4,918.69 × 1,992.29
  4. Step 4: Simplify right side
    3,564.19x = 9,799,427.33
  5. Step 5: Solve for x
    x = 9,799,427.33/3,564.19
  6. Step 6: Final answer
    x = 2,749.41

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Half scale
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Double scale
Find fourth proportional to 3,565.19, 4,920.07 and 1,993.29
Similar ratio
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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.