Home / 5,785.06-7,983.39-3,132.49

Finding the Fourth Proportional to 5,785.06, 7,983.39 and 3,132.49

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Solution

The fourth proportional to 5,785.06, 7,983.39 and 3,132.49 is: 4,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.06 : 7,983.39 = 3,132.49 : x
  2. Step 2: Convert to fraction form
    5,785.06/7,983.39 = 3,132.49/x
  3. Step 3: Cross multiply
    5,785.06x = 7,983.39 × 3,132.49
  4. Step 4: Simplify right side
    5,785.06x = 25,007,889.34
  5. Step 5: Solve for x
    x = 25,007,889.34/5,785.06
  6. Step 6: Final answer
    x = 4,322.84

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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.