Home / 3,031.29-4,183.52-1,772.55

Finding the Fourth Proportional to 3,031.29, 4,183.52 and 1,772.55

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Solution

The fourth proportional to 3,031.29, 4,183.52 and 1,772.55 is: 2,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.29 : 4,183.52 = 1,772.55 : x
  2. Step 2: Convert to fraction form
    3,031.29/4,183.52 = 1,772.55/x
  3. Step 3: Cross multiply
    3,031.29x = 4,183.52 × 1,772.55
  4. Step 4: Simplify right side
    3,031.29x = 7,415,489.51
  5. Step 5: Solve for x
    x = 7,415,489.51/3,031.29
  6. Step 6: Final answer
    x = 2,446.31

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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.