Home / 4,151.22-5,735.98-3,318.80

Finding the Fourth Proportional to 4,151.22, 5,735.98 and 3,318.80

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Solution

The fourth proportional to 4,151.22, 5,735.98 and 3,318.80 is: 4,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.22 : 5,735.98 = 3,318.80 : x
  2. Step 2: Convert to fraction form
    4,151.22/5,735.98 = 3,318.80/x
  3. Step 3: Cross multiply
    4,151.22x = 5,735.98 × 3,318.80
  4. Step 4: Simplify right side
    4,151.22x = 19,036,545.89
  5. Step 5: Solve for x
    x = 19,036,545.89/4,151.22
  6. Step 6: Final answer
    x = 4,585.77

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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.