Home / 4,047.14-5,585-2,278.92

Finding the Fourth Proportional to 4,047.14, 5,585 and 2,278.92

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Solution

The fourth proportional to 4,047.14, 5,585 and 2,278.92 is: 3,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.14 : 5,585 = 2,278.92 : x
  2. Step 2: Convert to fraction form
    4,047.14/5,585 = 2,278.92/x
  3. Step 3: Cross multiply
    4,047.14x = 5,585 × 2,278.92
  4. Step 4: Simplify right side
    4,047.14x = 12,727,768.20
  5. Step 5: Solve for x
    x = 12,727,768.20/4,047.14
  6. Step 6: Final answer
    x = 3,144.88

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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.