Home / 3,913.26-5,395.87-2,495.05

Finding the Fourth Proportional to 3,913.26, 5,395.87 and 2,495.05

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Solution

The fourth proportional to 3,913.26, 5,395.87 and 2,495.05 is: 3,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.26 : 5,395.87 = 2,495.05 : x
  2. Step 2: Convert to fraction form
    3,913.26/5,395.87 = 2,495.05/x
  3. Step 3: Cross multiply
    3,913.26x = 5,395.87 × 2,495.05
  4. Step 4: Simplify right side
    3,913.26x = 13,462,965.44
  5. Step 5: Solve for x
    x = 13,462,965.44/3,913.26
  6. Step 6: Final answer
    x = 3,440.35

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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.