Home / 5,261.50-7,892.32-1,365.68

Finding the Fourth Proportional to 5,261.50, 7,892.32 and 1,365.68

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Solution

The fourth proportional to 5,261.50, 7,892.32 and 1,365.68 is: 2,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.50 : 7,892.32 = 1,365.68 : x
  2. Step 2: Convert to fraction form
    5,261.50/7,892.32 = 1,365.68/x
  3. Step 3: Cross multiply
    5,261.50x = 7,892.32 × 1,365.68
  4. Step 4: Simplify right side
    5,261.50x = 10,778,383.58
  5. Step 5: Solve for x
    x = 10,778,383.58/5,261.50
  6. Step 6: Final answer
    x = 2,048.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.