Home / 3,964.53-5,471.55-2,285.58

Finding the Fourth Proportional to 3,964.53, 5,471.55 and 2,285.58

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Solution

The fourth proportional to 3,964.53, 5,471.55 and 2,285.58 is: 3,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.53 : 5,471.55 = 2,285.58 : x
  2. Step 2: Convert to fraction form
    3,964.53/5,471.55 = 2,285.58/x
  3. Step 3: Cross multiply
    3,964.53x = 5,471.55 × 2,285.58
  4. Step 4: Simplify right side
    3,964.53x = 12,505,665.25
  5. Step 5: Solve for x
    x = 12,505,665.25/3,964.53
  6. Step 6: Final answer
    x = 3,154.39

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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.