Home / 5,383.79-7,428.82-3,025.48

Finding the Fourth Proportional to 5,383.79, 7,428.82 and 3,025.48

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Solution

The fourth proportional to 5,383.79, 7,428.82 and 3,025.48 is: 4,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.79 : 7,428.82 = 3,025.48 : x
  2. Step 2: Convert to fraction form
    5,383.79/7,428.82 = 3,025.48/x
  3. Step 3: Cross multiply
    5,383.79x = 7,428.82 × 3,025.48
  4. Step 4: Simplify right side
    5,383.79x = 22,475,746.33
  5. Step 5: Solve for x
    x = 22,475,746.33/5,383.79
  6. Step 6: Final answer
    x = 4,174.71

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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.