Home / 5,177.93-7,767.16-1,480.70

Finding the Fourth Proportional to 5,177.93, 7,767.16 and 1,480.70

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Solution

The fourth proportional to 5,177.93, 7,767.16 and 1,480.70 is: 2,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.93 : 7,767.16 = 1,480.70 : x
  2. Step 2: Convert to fraction form
    5,177.93/7,767.16 = 1,480.70/x
  3. Step 3: Cross multiply
    5,177.93x = 7,767.16 × 1,480.70
  4. Step 4: Simplify right side
    5,177.93x = 11,500,805.84
  5. Step 5: Solve for x
    x = 11,500,805.84/5,177.93
  6. Step 6: Final answer
    x = 2,221.12

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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.