Home / 4,176.76-5,765.80-2,761.32

Finding the Fourth Proportional to 4,176.76, 5,765.80 and 2,761.32

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Solution

The fourth proportional to 4,176.76, 5,765.80 and 2,761.32 is: 3,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.76 : 5,765.80 = 2,761.32 : x
  2. Step 2: Convert to fraction form
    4,176.76/5,765.80 = 2,761.32/x
  3. Step 3: Cross multiply
    4,176.76x = 5,765.80 × 2,761.32
  4. Step 4: Simplify right side
    4,176.76x = 15,921,218.86
  5. Step 5: Solve for x
    x = 15,921,218.86/4,176.76
  6. Step 6: Final answer
    x = 3,811.86

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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.