Home / 5,605.44-7,735.20-3,480.48

Finding the Fourth Proportional to 5,605.44, 7,735.20 and 3,480.48

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Solution

The fourth proportional to 5,605.44, 7,735.20 and 3,480.48 is: 4,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.44 : 7,735.20 = 3,480.48 : x
  2. Step 2: Convert to fraction form
    5,605.44/7,735.20 = 3,480.48/x
  3. Step 3: Cross multiply
    5,605.44x = 7,735.20 × 3,480.48
  4. Step 4: Simplify right side
    5,605.44x = 26,922,208.90
  5. Step 5: Solve for x
    x = 26,922,208.90/5,605.44
  6. Step 6: Final answer
    x = 4,802.87

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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.