Home / 2,621.68-3,933.06-1,236.58

Finding the Fourth Proportional to 2,621.68, 3,933.06 and 1,236.58

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Solution

The fourth proportional to 2,621.68, 3,933.06 and 1,236.58 is: 1,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.68 : 3,933.06 = 1,236.58 : x
  2. Step 2: Convert to fraction form
    2,621.68/3,933.06 = 1,236.58/x
  3. Step 3: Cross multiply
    2,621.68x = 3,933.06 × 1,236.58
  4. Step 4: Simplify right side
    2,621.68x = 4,863,543.33
  5. Step 5: Solve for x
    x = 4,863,543.33/2,621.68
  6. Step 6: Final answer
    x = 1,855.12

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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.