Home / 4,115.68-6,172.56-1,193.32

Finding the Fourth Proportional to 4,115.68, 6,172.56 and 1,193.32

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Solution

The fourth proportional to 4,115.68, 6,172.56 and 1,193.32 is: 1,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.68 : 6,172.56 = 1,193.32 : x
  2. Step 2: Convert to fraction form
    4,115.68/6,172.56 = 1,193.32/x
  3. Step 3: Cross multiply
    4,115.68x = 6,172.56 × 1,193.32
  4. Step 4: Simplify right side
    4,115.68x = 7,365,839.30
  5. Step 5: Solve for x
    x = 7,365,839.30/4,115.68
  6. Step 6: Final answer
    x = 1,789.70

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1.5x scale

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.