Home / 2,320.36-3,201.92-1,325.60

Finding the Fourth Proportional to 2,320.36, 3,201.92 and 1,325.60

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Solution

The fourth proportional to 2,320.36, 3,201.92 and 1,325.60 is: 1,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.36 : 3,201.92 = 1,325.60 : x
  2. Step 2: Convert to fraction form
    2,320.36/3,201.92 = 1,325.60/x
  3. Step 3: Cross multiply
    2,320.36x = 3,201.92 × 1,325.60
  4. Step 4: Simplify right side
    2,320.36x = 4,244,465.15
  5. Step 5: Solve for x
    x = 4,244,465.15/2,320.36
  6. Step 6: Final answer
    x = 1,829.23

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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.