Home / 7,179.22-9,907.28-4,035.41

Finding the Fourth Proportional to 7,179.22, 9,907.28 and 4,035.41

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Solution

The fourth proportional to 7,179.22, 9,907.28 and 4,035.41 is: 5,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.22 : 9,907.28 = 4,035.41 : x
  2. Step 2: Convert to fraction form
    7,179.22/9,907.28 = 4,035.41/x
  3. Step 3: Cross multiply
    7,179.22x = 9,907.28 × 4,035.41
  4. Step 4: Simplify right side
    7,179.22x = 39,979,936.78
  5. Step 5: Solve for x
    x = 39,979,936.78/7,179.22
  6. Step 6: Final answer
    x = 5,568.84

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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.