Home / 4,176.20-5,761.19-2,406.78

Finding the Fourth Proportional to 4,176.20, 5,761.19 and 2,406.78

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Solution

The fourth proportional to 4,176.20, 5,761.19 and 2,406.78 is: 3,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.20 : 5,761.19 = 2,406.78 : x
  2. Step 2: Convert to fraction form
    4,176.20/5,761.19 = 2,406.78/x
  3. Step 3: Cross multiply
    4,176.20x = 5,761.19 × 2,406.78
  4. Step 4: Simplify right side
    4,176.20x = 13,865,904.83
  5. Step 5: Solve for x
    x = 13,865,904.83/4,176.20
  6. Step 6: Final answer
    x = 3,320.22

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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.