Home / 5,338.12-7,365.72-3,100.36

Finding the Fourth Proportional to 5,338.12, 7,365.72 and 3,100.36

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Solution

The fourth proportional to 5,338.12, 7,365.72 and 3,100.36 is: 4,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.12 : 7,365.72 = 3,100.36 : x
  2. Step 2: Convert to fraction form
    5,338.12/7,365.72 = 3,100.36/x
  3. Step 3: Cross multiply
    5,338.12x = 7,365.72 × 3,100.36
  4. Step 4: Simplify right side
    5,338.12x = 22,836,383.66
  5. Step 5: Solve for x
    x = 22,836,383.66/5,338.12
  6. Step 6: Final answer
    x = 4,277.98

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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.