Home / 4,047.15-5,584.89-2,278.74

Finding the Fourth Proportional to 4,047.15, 5,584.89 and 2,278.74

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Solution

The fourth proportional to 4,047.15, 5,584.89 and 2,278.74 is: 3,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.15 : 5,584.89 = 2,278.74 : x
  2. Step 2: Convert to fraction form
    4,047.15/5,584.89 = 2,278.74/x
  3. Step 3: Cross multiply
    4,047.15x = 5,584.89 × 2,278.74
  4. Step 4: Simplify right side
    4,047.15x = 12,726,512.24
  5. Step 5: Solve for x
    x = 12,726,512.24/4,047.15
  6. Step 6: Final answer
    x = 3,144.56

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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.