Home / 4,077.76-5,626.73-2,375.79

Finding the Fourth Proportional to 4,077.76, 5,626.73 and 2,375.79

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Solution

The fourth proportional to 4,077.76, 5,626.73 and 2,375.79 is: 3,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.76 : 5,626.73 = 2,375.79 : x
  2. Step 2: Convert to fraction form
    4,077.76/5,626.73 = 2,375.79/x
  3. Step 3: Cross multiply
    4,077.76x = 5,626.73 × 2,375.79
  4. Step 4: Simplify right side
    4,077.76x = 13,367,928.87
  5. Step 5: Solve for x
    x = 13,367,928.87/4,077.76
  6. Step 6: Final answer
    x = 3,278.25

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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.