Home / 3,885.58-5,823.51-1,691.83

Finding the Fourth Proportional to 3,885.58, 5,823.51 and 1,691.83

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Solution

The fourth proportional to 3,885.58, 5,823.51 and 1,691.83 is: 2,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.58 : 5,823.51 = 1,691.83 : x
  2. Step 2: Convert to fraction form
    3,885.58/5,823.51 = 1,691.83/x
  3. Step 3: Cross multiply
    3,885.58x = 5,823.51 × 1,691.83
  4. Step 4: Simplify right side
    3,885.58x = 9,852,388.92
  5. Step 5: Solve for x
    x = 9,852,388.92/3,885.58
  6. Step 6: Final answer
    x = 2,535.63

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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.