Home / 3,537.62-4,880.25-2,278.23

Finding the Fourth Proportional to 3,537.62, 4,880.25 and 2,278.23

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Solution

The fourth proportional to 3,537.62, 4,880.25 and 2,278.23 is: 3,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.62 : 4,880.25 = 2,278.23 : x
  2. Step 2: Convert to fraction form
    3,537.62/4,880.25 = 2,278.23/x
  3. Step 3: Cross multiply
    3,537.62x = 4,880.25 × 2,278.23
  4. Step 4: Simplify right side
    3,537.62x = 11,118,313.66
  5. Step 5: Solve for x
    x = 11,118,313.66/3,537.62
  6. Step 6: Final answer
    x = 3,142.88

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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.