Home / 2,322.82-3,485.40-1,025.20

Finding the Fourth Proportional to 2,322.82, 3,485.40 and 1,025.20

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Solution

The fourth proportional to 2,322.82, 3,485.40 and 1,025.20 is: 1,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.82 : 3,485.40 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    2,322.82/3,485.40 = 1,025.20/x
  3. Step 3: Cross multiply
    2,322.82x = 3,485.40 × 1,025.20
  4. Step 4: Simplify right side
    2,322.82x = 3,573,232.08
  5. Step 5: Solve for x
    x = 3,573,232.08/2,322.82
  6. Step 6: Final answer
    x = 1,538.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.