Home / 3,132.81-4,324.14-1,874.73

Finding the Fourth Proportional to 3,132.81, 4,324.14 and 1,874.73

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Solution

The fourth proportional to 3,132.81, 4,324.14 and 1,874.73 is: 2,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.81 : 4,324.14 = 1,874.73 : x
  2. Step 2: Convert to fraction form
    3,132.81/4,324.14 = 1,874.73/x
  3. Step 3: Cross multiply
    3,132.81x = 4,324.14 × 1,874.73
  4. Step 4: Simplify right side
    3,132.81x = 8,106,594.98
  5. Step 5: Solve for x
    x = 8,106,594.98/3,132.81
  6. Step 6: Final answer
    x = 2,587.64

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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.