Home / 3,953.14-5,930.35-1,216.50

Finding the Fourth Proportional to 3,953.14, 5,930.35 and 1,216.50

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Solution

The fourth proportional to 3,953.14, 5,930.35 and 1,216.50 is: 1,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.14 : 5,930.35 = 1,216.50 : x
  2. Step 2: Convert to fraction form
    3,953.14/5,930.35 = 1,216.50/x
  3. Step 3: Cross multiply
    3,953.14x = 5,930.35 × 1,216.50
  4. Step 4: Simplify right side
    3,953.14x = 7,214,270.78
  5. Step 5: Solve for x
    x = 7,214,270.78/3,953.14
  6. Step 6: Final answer
    x = 1,824.95

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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.