Home / 5,403.15-7,456.33-3,045.27

Finding the Fourth Proportional to 5,403.15, 7,456.33 and 3,045.27

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Solution

The fourth proportional to 5,403.15, 7,456.33 and 3,045.27 is: 4,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.15 : 7,456.33 = 3,045.27 : x
  2. Step 2: Convert to fraction form
    5,403.15/7,456.33 = 3,045.27/x
  3. Step 3: Cross multiply
    5,403.15x = 7,456.33 × 3,045.27
  4. Step 4: Simplify right side
    5,403.15x = 22,706,493.16
  5. Step 5: Solve for x
    x = 22,706,493.16/5,403.15
  6. Step 6: Final answer
    x = 4,202.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.