Home / 5,403-7,456.17-3,045.18

Finding the Fourth Proportional to 5,403, 7,456.17 and 3,045.18

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Solution

The fourth proportional to 5,403, 7,456.17 and 3,045.18 is: 4,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403 : 7,456.17 = 3,045.18 : x
  2. Step 2: Convert to fraction form
    5,403/7,456.17 = 3,045.18/x
  3. Step 3: Cross multiply
    5,403x = 7,456.17 × 3,045.18
  4. Step 4: Simplify right side
    5,403x = 22,705,379.76
  5. Step 5: Solve for x
    x = 22,705,379.76/5,403
  6. Step 6: Final answer
    x = 4,202.37

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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.