Home / 4,176.88-5,766.05-2,685.66

Finding the Fourth Proportional to 4,176.88, 5,766.05 and 2,685.66

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Solution

The fourth proportional to 4,176.88, 5,766.05 and 2,685.66 is: 3,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.88 : 5,766.05 = 2,685.66 : x
  2. Step 2: Convert to fraction form
    4,176.88/5,766.05 = 2,685.66/x
  3. Step 3: Cross multiply
    4,176.88x = 5,766.05 × 2,685.66
  4. Step 4: Simplify right side
    4,176.88x = 15,485,623.60
  5. Step 5: Solve for x
    x = 15,485,623.60/4,176.88
  6. Step 6: Final answer
    x = 3,707.46

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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.