Home / 4,744.52-7,116.76-1,281.76

Finding the Fourth Proportional to 4,744.52, 7,116.76 and 1,281.76

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Solution

The fourth proportional to 4,744.52, 7,116.76 and 1,281.76 is: 1,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.52 : 7,116.76 = 1,281.76 : x
  2. Step 2: Convert to fraction form
    4,744.52/7,116.76 = 1,281.76/x
  3. Step 3: Cross multiply
    4,744.52x = 7,116.76 × 1,281.76
  4. Step 4: Simplify right side
    4,744.52x = 9,121,978.30
  5. Step 5: Solve for x
    x = 9,121,978.30/4,744.52
  6. Step 6: Final answer
    x = 1,922.63

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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.