Home / 4,971.20-7,456.48-1,508.48

Finding the Fourth Proportional to 4,971.20, 7,456.48 and 1,508.48

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Solution

The fourth proportional to 4,971.20, 7,456.48 and 1,508.48 is: 2,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.20 : 7,456.48 = 1,508.48 : x
  2. Step 2: Convert to fraction form
    4,971.20/7,456.48 = 1,508.48/x
  3. Step 3: Cross multiply
    4,971.20x = 7,456.48 × 1,508.48
  4. Step 4: Simplify right side
    4,971.20x = 11,247,950.95
  5. Step 5: Solve for x
    x = 11,247,950.95/4,971.20
  6. Step 6: Final answer
    x = 2,262.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.