Home / 3,212.09-4,434.05-1,953.55

Finding the Fourth Proportional to 3,212.09, 4,434.05 and 1,953.55

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Solution

The fourth proportional to 3,212.09, 4,434.05 and 1,953.55 is: 2,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.09 : 4,434.05 = 1,953.55 : x
  2. Step 2: Convert to fraction form
    3,212.09/4,434.05 = 1,953.55/x
  3. Step 3: Cross multiply
    3,212.09x = 4,434.05 × 1,953.55
  4. Step 4: Simplify right side
    3,212.09x = 8,662,130.84
  5. Step 5: Solve for x
    x = 8,662,130.84/3,212.09
  6. Step 6: Final answer
    x = 2,696.73

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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.