Home / 4,047.25-5,585.14-2,278.86

Finding the Fourth Proportional to 4,047.25, 5,585.14 and 2,278.86

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Solution

The fourth proportional to 4,047.25, 5,585.14 and 2,278.86 is: 3,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.25 : 5,585.14 = 2,278.86 : x
  2. Step 2: Convert to fraction form
    4,047.25/5,585.14 = 2,278.86/x
  3. Step 3: Cross multiply
    4,047.25x = 5,585.14 × 2,278.86
  4. Step 4: Simplify right side
    4,047.25x = 12,727,712.82
  5. Step 5: Solve for x
    x = 12,727,712.82/4,047.25
  6. Step 6: Final answer
    x = 3,144.78

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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.