Home / 4,047.44-5,585.16-2,278.64

Finding the Fourth Proportional to 4,047.44, 5,585.16 and 2,278.64

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Solution

The fourth proportional to 4,047.44, 5,585.16 and 2,278.64 is: 3,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.44 : 5,585.16 = 2,278.64 : x
  2. Step 2: Convert to fraction form
    4,047.44/5,585.16 = 2,278.64/x
  3. Step 3: Cross multiply
    4,047.44x = 5,585.16 × 2,278.64
  4. Step 4: Simplify right side
    4,047.44x = 12,726,568.98
  5. Step 5: Solve for x
    x = 12,726,568.98/4,047.44
  6. Step 6: Final answer
    x = 3,144.35

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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.