Home / 5,165.50-7,132.42-3,176.94

Finding the Fourth Proportional to 5,165.50, 7,132.42 and 3,176.94

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Solution

The fourth proportional to 5,165.50, 7,132.42 and 3,176.94 is: 4,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.50 : 7,132.42 = 3,176.94 : x
  2. Step 2: Convert to fraction form
    5,165.50/7,132.42 = 3,176.94/x
  3. Step 3: Cross multiply
    5,165.50x = 7,132.42 × 3,176.94
  4. Step 4: Simplify right side
    5,165.50x = 22,659,270.39
  5. Step 5: Solve for x
    x = 22,659,270.39/5,165.50
  6. Step 6: Final answer
    x = 4,386.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.