Home / 2,418.53-3,336.57-1,578.94

Finding the Fourth Proportional to 2,418.53, 3,336.57 and 1,578.94

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Solution

The fourth proportional to 2,418.53, 3,336.57 and 1,578.94 is: 2,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.53 : 3,336.57 = 1,578.94 : x
  2. Step 2: Convert to fraction form
    2,418.53/3,336.57 = 1,578.94/x
  3. Step 3: Cross multiply
    2,418.53x = 3,336.57 × 1,578.94
  4. Step 4: Simplify right side
    2,418.53x = 5,268,235.49
  5. Step 5: Solve for x
    x = 5,268,235.49/2,418.53
  6. Step 6: Final answer
    x = 2,178.28

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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.