Home / 4,068.96-5,615.24-2,389.96

Finding the Fourth Proportional to 4,068.96, 5,615.24 and 2,389.96

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Solution

The fourth proportional to 4,068.96, 5,615.24 and 2,389.96 is: 3,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.96 : 5,615.24 = 2,389.96 : x
  2. Step 2: Convert to fraction form
    4,068.96/5,615.24 = 2,389.96/x
  3. Step 3: Cross multiply
    4,068.96x = 5,615.24 × 2,389.96
  4. Step 4: Simplify right side
    4,068.96x = 13,420,198.99
  5. Step 5: Solve for x
    x = 13,420,198.99/4,068.96
  6. Step 6: Final answer
    x = 3,298.19

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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.