Home / 3,882.41-5,819.56-1,690.55

Finding the Fourth Proportional to 3,882.41, 5,819.56 and 1,690.55

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Solution

The fourth proportional to 3,882.41, 5,819.56 and 1,690.55 is: 2,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.41 : 5,819.56 = 1,690.55 : x
  2. Step 2: Convert to fraction form
    3,882.41/5,819.56 = 1,690.55/x
  3. Step 3: Cross multiply
    3,882.41x = 5,819.56 × 1,690.55
  4. Step 4: Simplify right side
    3,882.41x = 9,838,223.83
  5. Step 5: Solve for x
    x = 9,838,223.83/3,882.41
  6. Step 6: Final answer
    x = 2,534.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.