Home / 3,391.94-5,083.66-1,931.92

Finding the Fourth Proportional to 3,391.94, 5,083.66 and 1,931.92

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Solution

The fourth proportional to 3,391.94, 5,083.66 and 1,931.92 is: 2,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.94 : 5,083.66 = 1,931.92 : x
  2. Step 2: Convert to fraction form
    3,391.94/5,083.66 = 1,931.92/x
  3. Step 3: Cross multiply
    3,391.94x = 5,083.66 × 1,931.92
  4. Step 4: Simplify right side
    3,391.94x = 9,821,214.13
  5. Step 5: Solve for x
    x = 9,821,214.13/3,391.94
  6. Step 6: Final answer
    x = 2,895.45

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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.