Home / 3,031.74-4,183.38-1,772.46

Finding the Fourth Proportional to 3,031.74, 4,183.38 and 1,772.46

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Solution

The fourth proportional to 3,031.74, 4,183.38 and 1,772.46 is: 2,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.74 : 4,183.38 = 1,772.46 : x
  2. Step 2: Convert to fraction form
    3,031.74/4,183.38 = 1,772.46/x
  3. Step 3: Cross multiply
    3,031.74x = 4,183.38 × 1,772.46
  4. Step 4: Simplify right side
    3,031.74x = 7,414,873.71
  5. Step 5: Solve for x
    x = 7,414,873.71/3,031.74
  6. Step 6: Final answer
    x = 2,445.75

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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.