Home / 2,850.47-3,933.56-1,591.52

Finding the Fourth Proportional to 2,850.47, 3,933.56 and 1,591.52

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Solution

The fourth proportional to 2,850.47, 3,933.56 and 1,591.52 is: 2,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.47 : 3,933.56 = 1,591.52 : x
  2. Step 2: Convert to fraction form
    2,850.47/3,933.56 = 1,591.52/x
  3. Step 3: Cross multiply
    2,850.47x = 3,933.56 × 1,591.52
  4. Step 4: Simplify right side
    2,850.47x = 6,260,311.79
  5. Step 5: Solve for x
    x = 6,260,311.79/2,850.47
  6. Step 6: Final answer
    x = 2,196.24

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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.