Home / 5,785.39-7,983.35-3,395.11

Finding the Fourth Proportional to 5,785.39, 7,983.35 and 3,395.11

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Solution

The fourth proportional to 5,785.39, 7,983.35 and 3,395.11 is: 4,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.39 : 7,983.35 = 3,395.11 : x
  2. Step 2: Convert to fraction form
    5,785.39/7,983.35 = 3,395.11/x
  3. Step 3: Cross multiply
    5,785.39x = 7,983.35 × 3,395.11
  4. Step 4: Simplify right side
    5,785.39x = 27,104,351.42
  5. Step 5: Solve for x
    x = 27,104,351.42/5,785.39
  6. Step 6: Final answer
    x = 4,684.97

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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.