Home / 2,845.52-4,268.42-897.57

Finding the Fourth Proportional to 2,845.52, 4,268.42 and 897.57

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Solution

The fourth proportional to 2,845.52, 4,268.42 and 897.57 is: 1,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.52 : 4,268.42 = 897.57 : x
  2. Step 2: Convert to fraction form
    2,845.52/4,268.42 = 897.57/x
  3. Step 3: Cross multiply
    2,845.52x = 4,268.42 × 897.57
  4. Step 4: Simplify right side
    2,845.52x = 3,831,201.25
  5. Step 5: Solve for x
    x = 3,831,201.25/2,845.52
  6. Step 6: Final answer
    x = 1,346.40

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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.