Home / 5,176.75-7,766.41-1,667.07

Finding the Fourth Proportional to 5,176.75, 7,766.41 and 1,667.07

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Solution

The fourth proportional to 5,176.75, 7,766.41 and 1,667.07 is: 2,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.75 : 7,766.41 = 1,667.07 : x
  2. Step 2: Convert to fraction form
    5,176.75/7,766.41 = 1,667.07/x
  3. Step 3: Cross multiply
    5,176.75x = 7,766.41 × 1,667.07
  4. Step 4: Simplify right side
    5,176.75x = 12,947,149.12
  5. Step 5: Solve for x
    x = 12,947,149.12/5,176.75
  6. Step 6: Final answer
    x = 2,501.02

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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.