Home / 5,613.24-7,745.74-3,255.13

Finding the Fourth Proportional to 5,613.24, 7,745.74 and 3,255.13

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Solution

The fourth proportional to 5,613.24, 7,745.74 and 3,255.13 is: 4,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.24 : 7,745.74 = 3,255.13 : x
  2. Step 2: Convert to fraction form
    5,613.24/7,745.74 = 3,255.13/x
  3. Step 3: Cross multiply
    5,613.24x = 7,745.74 × 3,255.13
  4. Step 4: Simplify right side
    5,613.24x = 25,213,390.65
  5. Step 5: Solve for x
    x = 25,213,390.65/5,613.24
  6. Step 6: Final answer
    x = 4,491.77

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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.