Home / 5,785.29-7,983.54-3,427.43

Finding the Fourth Proportional to 5,785.29, 7,983.54 and 3,427.43

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Solution

The fourth proportional to 5,785.29, 7,983.54 and 3,427.43 is: 4,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.29 : 7,983.54 = 3,427.43 : x
  2. Step 2: Convert to fraction form
    5,785.29/7,983.54 = 3,427.43/x
  3. Step 3: Cross multiply
    5,785.29x = 7,983.54 × 3,427.43
  4. Step 4: Simplify right side
    5,785.29x = 27,363,077.63
  5. Step 5: Solve for x
    x = 27,363,077.63/5,785.29
  6. Step 6: Final answer
    x = 4,729.76

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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.