Home / 5,177.46-7,766.70-1,480.25

Finding the Fourth Proportional to 5,177.46, 7,766.70 and 1,480.25

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Solution

The fourth proportional to 5,177.46, 7,766.70 and 1,480.25 is: 2,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.46 : 7,766.70 = 1,480.25 : x
  2. Step 2: Convert to fraction form
    5,177.46/7,766.70 = 1,480.25/x
  3. Step 3: Cross multiply
    5,177.46x = 7,766.70 × 1,480.25
  4. Step 4: Simplify right side
    5,177.46x = 11,496,651.78
  5. Step 5: Solve for x
    x = 11,496,651.78/5,177.46
  6. Step 6: Final answer
    x = 2,220.52

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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.