Home / 7,100.20-9,797.80-4,268.04

Finding the Fourth Proportional to 7,100.20, 9,797.80 and 4,268.04

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Solution

The fourth proportional to 7,100.20, 9,797.80 and 4,268.04 is: 5,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.20 : 9,797.80 = 4,268.04 : x
  2. Step 2: Convert to fraction form
    7,100.20/9,797.80 = 4,268.04/x
  3. Step 3: Cross multiply
    7,100.20x = 9,797.80 × 4,268.04
  4. Step 4: Simplify right side
    7,100.20x = 41,817,402.31
  5. Step 5: Solve for x
    x = 41,817,402.31/7,100.20
  6. Step 6: Final answer
    x = 5,889.61

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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.