Home / 5,177.23-7,764.54-1,479.48

Finding the Fourth Proportional to 5,177.23, 7,764.54 and 1,479.48

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Solution

The fourth proportional to 5,177.23, 7,764.54 and 1,479.48 is: 2,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.23 : 7,764.54 = 1,479.48 : x
  2. Step 2: Convert to fraction form
    5,177.23/7,764.54 = 1,479.48/x
  3. Step 3: Cross multiply
    5,177.23x = 7,764.54 × 1,479.48
  4. Step 4: Simplify right side
    5,177.23x = 11,487,487.19
  5. Step 5: Solve for x
    x = 11,487,487.19/5,177.23
  6. Step 6: Final answer
    x = 2,218.85

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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.