Home / 3,098.80-4,277.38-1,773.84

Finding the Fourth Proportional to 3,098.80, 4,277.38 and 1,773.84

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Solution

The fourth proportional to 3,098.80, 4,277.38 and 1,773.84 is: 2,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.80 : 4,277.38 = 1,773.84 : x
  2. Step 2: Convert to fraction form
    3,098.80/4,277.38 = 1,773.84/x
  3. Step 3: Cross multiply
    3,098.80x = 4,277.38 × 1,773.84
  4. Step 4: Simplify right side
    3,098.80x = 7,587,383.30
  5. Step 5: Solve for x
    x = 7,587,383.30/3,098.80
  6. Step 6: Final answer
    x = 2,448.49

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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.