Home / 5,215.26-7,199.43-3,329.40

Finding the Fourth Proportional to 5,215.26, 7,199.43 and 3,329.40

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Solution

The fourth proportional to 5,215.26, 7,199.43 and 3,329.40 is: 4,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.26 : 7,199.43 = 3,329.40 : x
  2. Step 2: Convert to fraction form
    5,215.26/7,199.43 = 3,329.40/x
  3. Step 3: Cross multiply
    5,215.26x = 7,199.43 × 3,329.40
  4. Step 4: Simplify right side
    5,215.26x = 23,969,782.24
  5. Step 5: Solve for x
    x = 23,969,782.24/5,215.26
  6. Step 6: Final answer
    x = 4,596.09

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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.