Home / 1,461.68-2,190.08-1,027.92

Finding the Fourth Proportional to 1,461.68, 2,190.08 and 1,027.92

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Solution

The fourth proportional to 1,461.68, 2,190.08 and 1,027.92 is: 1,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.68 : 2,190.08 = 1,027.92 : x
  2. Step 2: Convert to fraction form
    1,461.68/2,190.08 = 1,027.92/x
  3. Step 3: Cross multiply
    1,461.68x = 2,190.08 × 1,027.92
  4. Step 4: Simplify right side
    1,461.68x = 2,251,229.60
  5. Step 5: Solve for x
    x = 2,251,229.60/1,461.68
  6. Step 6: Final answer
    x = 1,540.17

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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.