Home / 4,109.12-6,160.36-1,296.52

Finding the Fourth Proportional to 4,109.12, 6,160.36 and 1,296.52

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Solution

The fourth proportional to 4,109.12, 6,160.36 and 1,296.52 is: 1,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.12 : 6,160.36 = 1,296.52 : x
  2. Step 2: Convert to fraction form
    4,109.12/6,160.36 = 1,296.52/x
  3. Step 3: Cross multiply
    4,109.12x = 6,160.36 × 1,296.52
  4. Step 4: Simplify right side
    4,109.12x = 7,987,029.95
  5. Step 5: Solve for x
    x = 7,987,029.95/4,109.12
  6. Step 6: Final answer
    x = 1,943.73

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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.