Home / 3,309.14-4,566.29-1,911.86

Finding the Fourth Proportional to 3,309.14, 4,566.29 and 1,911.86

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Solution

The fourth proportional to 3,309.14, 4,566.29 and 1,911.86 is: 2,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.14 : 4,566.29 = 1,911.86 : x
  2. Step 2: Convert to fraction form
    3,309.14/4,566.29 = 1,911.86/x
  3. Step 3: Cross multiply
    3,309.14x = 4,566.29 × 1,911.86
  4. Step 4: Simplify right side
    3,309.14x = 8,730,107.20
  5. Step 5: Solve for x
    x = 8,730,107.20/3,309.14
  6. Step 6: Final answer
    x = 2,638.18

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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.