Home / 4,180.47-5,766.25-2,690.26

Finding the Fourth Proportional to 4,180.47, 5,766.25 and 2,690.26

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Solution

The fourth proportional to 4,180.47, 5,766.25 and 2,690.26 is: 3,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.47 : 5,766.25 = 2,690.26 : x
  2. Step 2: Convert to fraction form
    4,180.47/5,766.25 = 2,690.26/x
  3. Step 3: Cross multiply
    4,180.47x = 5,766.25 × 2,690.26
  4. Step 4: Simplify right side
    4,180.47x = 15,512,711.73
  5. Step 5: Solve for x
    x = 15,512,711.73/4,180.47
  6. Step 6: Final answer
    x = 3,710.76

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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.