Home / 4,047.39-5,585.31-2,278.98

Finding the Fourth Proportional to 4,047.39, 5,585.31 and 2,278.98

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Solution

The fourth proportional to 4,047.39, 5,585.31 and 2,278.98 is: 3,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.39 : 5,585.31 = 2,278.98 : x
  2. Step 2: Convert to fraction form
    4,047.39/5,585.31 = 2,278.98/x
  3. Step 3: Cross multiply
    4,047.39x = 5,585.31 × 2,278.98
  4. Step 4: Simplify right side
    4,047.39x = 12,728,809.78
  5. Step 5: Solve for x
    x = 12,728,809.78/4,047.39
  6. Step 6: Final answer
    x = 3,144.94

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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.