Home / 3,712.15-5,122.77-2,033.68

Finding the Fourth Proportional to 3,712.15, 5,122.77 and 2,033.68

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Solution

The fourth proportional to 3,712.15, 5,122.77 and 2,033.68 is: 2,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.15 : 5,122.77 = 2,033.68 : x
  2. Step 2: Convert to fraction form
    3,712.15/5,122.77 = 2,033.68/x
  3. Step 3: Cross multiply
    3,712.15x = 5,122.77 × 2,033.68
  4. Step 4: Simplify right side
    3,712.15x = 10,418,084.19
  5. Step 5: Solve for x
    x = 10,418,084.19/3,712.15
  6. Step 6: Final answer
    x = 2,806.48

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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.