Home / 5,076.92-7,001.60-3,188.68

Finding the Fourth Proportional to 5,076.92, 7,001.60 and 3,188.68

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Solution

The fourth proportional to 5,076.92, 7,001.60 and 3,188.68 is: 4,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.92 : 7,001.60 = 3,188.68 : x
  2. Step 2: Convert to fraction form
    5,076.92/7,001.60 = 3,188.68/x
  3. Step 3: Cross multiply
    5,076.92x = 7,001.60 × 3,188.68
  4. Step 4: Simplify right side
    5,076.92x = 22,325,828.44
  5. Step 5: Solve for x
    x = 22,325,828.44/5,076.92
  6. Step 6: Final answer
    x = 4,397.51

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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.