Home / 5,177.97-7,766.95-1,282.38

Finding the Fourth Proportional to 5,177.97, 7,766.95 and 1,282.38

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Solution

The fourth proportional to 5,177.97, 7,766.95 and 1,282.38 is: 1,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.97 : 7,766.95 = 1,282.38 : x
  2. Step 2: Convert to fraction form
    5,177.97/7,766.95 = 1,282.38/x
  3. Step 3: Cross multiply
    5,177.97x = 7,766.95 × 1,282.38
  4. Step 4: Simplify right side
    5,177.97x = 9,960,181.34
  5. Step 5: Solve for x
    x = 9,960,181.34/5,177.97
  6. Step 6: Final answer
    x = 1,923.57

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1.5x scale

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.