Home / 5,785.22-7,983.56-3,132.60

Finding the Fourth Proportional to 5,785.22, 7,983.56 and 3,132.60

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Solution

The fourth proportional to 5,785.22, 7,983.56 and 3,132.60 is: 4,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.22 : 7,983.56 = 3,132.60 : x
  2. Step 2: Convert to fraction form
    5,785.22/7,983.56 = 3,132.60/x
  3. Step 3: Cross multiply
    5,785.22x = 7,983.56 × 3,132.60
  4. Step 4: Simplify right side
    5,785.22x = 25,009,300.06
  5. Step 5: Solve for x
    x = 25,009,300.06/5,785.22
  6. Step 6: Final answer
    x = 4,322.97

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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.