Home / 5,162.09-7,116.80-4,103.37

Finding the Fourth Proportional to 5,162.09, 7,116.80 and 4,103.37

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Solution

The fourth proportional to 5,162.09, 7,116.80 and 4,103.37 is: 5,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.09 : 7,116.80 = 4,103.37 : x
  2. Step 2: Convert to fraction form
    5,162.09/7,116.80 = 4,103.37/x
  3. Step 3: Cross multiply
    5,162.09x = 7,116.80 × 4,103.37
  4. Step 4: Simplify right side
    5,162.09x = 29,202,843.10
  5. Step 5: Solve for x
    x = 29,202,843.10/5,162.09
  6. Step 6: Final answer
    x = 5,657.18

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1.5x scale

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.