Home / 4,047.27-5,584.90-2,278.55

Finding the Fourth Proportional to 4,047.27, 5,584.90 and 2,278.55

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Solution

The fourth proportional to 4,047.27, 5,584.90 and 2,278.55 is: 3,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.27 : 5,584.90 = 2,278.55 : x
  2. Step 2: Convert to fraction form
    4,047.27/5,584.90 = 2,278.55/x
  3. Step 3: Cross multiply
    4,047.27x = 5,584.90 × 2,278.55
  4. Step 4: Simplify right side
    4,047.27x = 12,725,473.90
  5. Step 5: Solve for x
    x = 12,725,473.90/4,047.27
  6. Step 6: Final answer
    x = 3,144.21

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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.