Home / 3,133.29-4,322.80-1,874.39

Finding the Fourth Proportional to 3,133.29, 4,322.80 and 1,874.39

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Solution

The fourth proportional to 3,133.29, 4,322.80 and 1,874.39 is: 2,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.29 : 4,322.80 = 1,874.39 : x
  2. Step 2: Convert to fraction form
    3,133.29/4,322.80 = 1,874.39/x
  3. Step 3: Cross multiply
    3,133.29x = 4,322.80 × 1,874.39
  4. Step 4: Simplify right side
    3,133.29x = 8,102,593.82
  5. Step 5: Solve for x
    x = 8,102,593.82/3,133.29
  6. Step 6: Final answer
    x = 2,585.97

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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.