Home / 3,561.44-5,340.80-1,712.04

Finding the Fourth Proportional to 3,561.44, 5,340.80 and 1,712.04

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Solution

The fourth proportional to 3,561.44, 5,340.80 and 1,712.04 is: 2,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.44 : 5,340.80 = 1,712.04 : x
  2. Step 2: Convert to fraction form
    3,561.44/5,340.80 = 1,712.04/x
  3. Step 3: Cross multiply
    3,561.44x = 5,340.80 × 1,712.04
  4. Step 4: Simplify right side
    3,561.44x = 9,143,663.23
  5. Step 5: Solve for x
    x = 9,143,663.23/3,561.44
  6. Step 6: Final answer
    x = 2,567.41

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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.