Home / 3,221.04-4,831.10-1,029.48

Finding the Fourth Proportional to 3,221.04, 4,831.10 and 1,029.48

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Solution

The fourth proportional to 3,221.04, 4,831.10 and 1,029.48 is: 1,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.04 : 4,831.10 = 1,029.48 : x
  2. Step 2: Convert to fraction form
    3,221.04/4,831.10 = 1,029.48/x
  3. Step 3: Cross multiply
    3,221.04x = 4,831.10 × 1,029.48
  4. Step 4: Simplify right side
    3,221.04x = 4,973,520.83
  5. Step 5: Solve for x
    x = 4,973,520.83/3,221.04
  6. Step 6: Final answer
    x = 1,544.07

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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.