Home / 3,968.16-5,478.60-2,552.52

Finding the Fourth Proportional to 3,968.16, 5,478.60 and 2,552.52

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Solution

The fourth proportional to 3,968.16, 5,478.60 and 2,552.52 is: 3,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.16 : 5,478.60 = 2,552.52 : x
  2. Step 2: Convert to fraction form
    3,968.16/5,478.60 = 2,552.52/x
  3. Step 3: Cross multiply
    3,968.16x = 5,478.60 × 2,552.52
  4. Step 4: Simplify right side
    3,968.16x = 13,984,236.07
  5. Step 5: Solve for x
    x = 13,984,236.07/3,968.16
  6. Step 6: Final answer
    x = 3,524.11

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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.