Home / 5,101.36-7,646.52-2,175.28

Finding the Fourth Proportional to 5,101.36, 7,646.52 and 2,175.28

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Solution

The fourth proportional to 5,101.36, 7,646.52 and 2,175.28 is: 3,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.36 : 7,646.52 = 2,175.28 : x
  2. Step 2: Convert to fraction form
    5,101.36/7,646.52 = 2,175.28/x
  3. Step 3: Cross multiply
    5,101.36x = 7,646.52 × 2,175.28
  4. Step 4: Simplify right side
    5,101.36x = 16,633,322.03
  5. Step 5: Solve for x
    x = 16,633,322.03/5,101.36
  6. Step 6: Final answer
    x = 3,260.57

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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.