Home / 1,964.08-2,952.24-1,238.32

Finding the Fourth Proportional to 1,964.08, 2,952.24 and 1,238.32

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Solution

The fourth proportional to 1,964.08, 2,952.24 and 1,238.32 is: 1,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.08 : 2,952.24 = 1,238.32 : x
  2. Step 2: Convert to fraction form
    1,964.08/2,952.24 = 1,238.32/x
  3. Step 3: Cross multiply
    1,964.08x = 2,952.24 × 1,238.32
  4. Step 4: Simplify right side
    1,964.08x = 3,655,817.84
  5. Step 5: Solve for x
    x = 3,655,817.84/1,964.08
  6. Step 6: Final answer
    x = 1,861.34

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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.