Home / 5,282.18-7,290.38-3,396.12

Finding the Fourth Proportional to 5,282.18, 7,290.38 and 3,396.12

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Solution

The fourth proportional to 5,282.18, 7,290.38 and 3,396.12 is: 4,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.18 : 7,290.38 = 3,396.12 : x
  2. Step 2: Convert to fraction form
    5,282.18/7,290.38 = 3,396.12/x
  3. Step 3: Cross multiply
    5,282.18x = 7,290.38 × 3,396.12
  4. Step 4: Simplify right side
    5,282.18x = 24,759,005.33
  5. Step 5: Solve for x
    x = 24,759,005.33/5,282.18
  6. Step 6: Final answer
    x = 4,687.27

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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.