Home / 3,009.86-4,512.74-1,160.48

Finding the Fourth Proportional to 3,009.86, 4,512.74 and 1,160.48

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Solution

The fourth proportional to 3,009.86, 4,512.74 and 1,160.48 is: 1,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.86 : 4,512.74 = 1,160.48 : x
  2. Step 2: Convert to fraction form
    3,009.86/4,512.74 = 1,160.48/x
  3. Step 3: Cross multiply
    3,009.86x = 4,512.74 × 1,160.48
  4. Step 4: Simplify right side
    3,009.86x = 5,236,927.87
  5. Step 5: Solve for x
    x = 5,236,927.87/3,009.86
  6. Step 6: Final answer
    x = 1,739.92

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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.