Home / 5,402.98-7,456.05-3,012.91

Finding the Fourth Proportional to 5,402.98, 7,456.05 and 3,012.91

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Solution

The fourth proportional to 5,402.98, 7,456.05 and 3,012.91 is: 4,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.98 : 7,456.05 = 3,012.91 : x
  2. Step 2: Convert to fraction form
    5,402.98/7,456.05 = 3,012.91/x
  3. Step 3: Cross multiply
    5,402.98x = 7,456.05 × 3,012.91
  4. Step 4: Simplify right side
    5,402.98x = 22,464,407.61
  5. Step 5: Solve for x
    x = 22,464,407.61/5,402.98
  6. Step 6: Final answer
    x = 4,157.78

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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.