Home / 3,577.70-5,367.12-1,112.01

Finding the Fourth Proportional to 3,577.70, 5,367.12 and 1,112.01

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Solution

The fourth proportional to 3,577.70, 5,367.12 and 1,112.01 is: 1,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.70 : 5,367.12 = 1,112.01 : x
  2. Step 2: Convert to fraction form
    3,577.70/5,367.12 = 1,112.01/x
  3. Step 3: Cross multiply
    3,577.70x = 5,367.12 × 1,112.01
  4. Step 4: Simplify right side
    3,577.70x = 5,968,291.11
  5. Step 5: Solve for x
    x = 5,968,291.11/3,577.70
  6. Step 6: Final answer
    x = 1,668.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.