Home / 3,212.14-4,433.08-1,953.29

Finding the Fourth Proportional to 3,212.14, 4,433.08 and 1,953.29

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Solution

The fourth proportional to 3,212.14, 4,433.08 and 1,953.29 is: 2,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.14 : 4,433.08 = 1,953.29 : x
  2. Step 2: Convert to fraction form
    3,212.14/4,433.08 = 1,953.29/x
  3. Step 3: Cross multiply
    3,212.14x = 4,433.08 × 1,953.29
  4. Step 4: Simplify right side
    3,212.14x = 8,659,084.63
  5. Step 5: Solve for x
    x = 8,659,084.63/3,212.14
  6. Step 6: Final answer
    x = 2,695.74

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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.