Home / 3,953.39-5,930.73-1,216.75

Finding the Fourth Proportional to 3,953.39, 5,930.73 and 1,216.75

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Solution

The fourth proportional to 3,953.39, 5,930.73 and 1,216.75 is: 1,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.39 : 5,930.73 = 1,216.75 : x
  2. Step 2: Convert to fraction form
    3,953.39/5,930.73 = 1,216.75/x
  3. Step 3: Cross multiply
    3,953.39x = 5,930.73 × 1,216.75
  4. Step 4: Simplify right side
    3,953.39x = 7,216,209.64
  5. Step 5: Solve for x
    x = 7,216,209.64/3,953.39
  6. Step 6: Final answer
    x = 1,825.32

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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.