Home / 5,375.62-7,417.66-3,136.92

Finding the Fourth Proportional to 5,375.62, 7,417.66 and 3,136.92

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Solution

The fourth proportional to 5,375.62, 7,417.66 and 3,136.92 is: 4,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.62 : 7,417.66 = 3,136.92 : x
  2. Step 2: Convert to fraction form
    5,375.62/7,417.66 = 3,136.92/x
  3. Step 3: Cross multiply
    5,375.62x = 7,417.66 × 3,136.92
  4. Step 4: Simplify right side
    5,375.62x = 23,268,606.01
  5. Step 5: Solve for x
    x = 23,268,606.01/5,375.62
  6. Step 6: Final answer
    x = 4,328.54

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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.