Home / 5,480.69-7,564.32-3,243.80

Finding the Fourth Proportional to 5,480.69, 7,564.32 and 3,243.80

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Solution

The fourth proportional to 5,480.69, 7,564.32 and 3,243.80 is: 4,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.69 : 7,564.32 = 3,243.80 : x
  2. Step 2: Convert to fraction form
    5,480.69/7,564.32 = 3,243.80/x
  3. Step 3: Cross multiply
    5,480.69x = 7,564.32 × 3,243.80
  4. Step 4: Simplify right side
    5,480.69x = 24,537,160.13
  5. Step 5: Solve for x
    x = 24,537,160.13/5,480.69
  6. Step 6: Final answer
    x = 4,477.02

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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.