Home / 3,922.24-5,410.65-3,177.04

Finding the Fourth Proportional to 3,922.24, 5,410.65 and 3,177.04

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Solution

The fourth proportional to 3,922.24, 5,410.65 and 3,177.04 is: 4,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.24 : 5,410.65 = 3,177.04 : x
  2. Step 2: Convert to fraction form
    3,922.24/5,410.65 = 3,177.04/x
  3. Step 3: Cross multiply
    3,922.24x = 5,410.65 × 3,177.04
  4. Step 4: Simplify right side
    3,922.24x = 17,189,851.48
  5. Step 5: Solve for x
    x = 17,189,851.48/3,922.24
  6. Step 6: Final answer
    x = 4,382.66

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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.