Home / 3,212.51-4,433.57-1,953.45

Finding the Fourth Proportional to 3,212.51, 4,433.57 and 1,953.45

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Solution

The fourth proportional to 3,212.51, 4,433.57 and 1,953.45 is: 2,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.51 : 4,433.57 = 1,953.45 : x
  2. Step 2: Convert to fraction form
    3,212.51/4,433.57 = 1,953.45/x
  3. Step 3: Cross multiply
    3,212.51x = 4,433.57 × 1,953.45
  4. Step 4: Simplify right side
    3,212.51x = 8,660,757.32
  5. Step 5: Solve for x
    x = 8,660,757.32/3,212.51
  6. Step 6: Final answer
    x = 2,695.95

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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.