Home / 1,712.06-2,563.52-1,092.40

Finding the Fourth Proportional to 1,712.06, 2,563.52 and 1,092.40

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Solution

The fourth proportional to 1,712.06, 2,563.52 and 1,092.40 is: 1,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.06 : 2,563.52 = 1,092.40 : x
  2. Step 2: Convert to fraction form
    1,712.06/2,563.52 = 1,092.40/x
  3. Step 3: Cross multiply
    1,712.06x = 2,563.52 × 1,092.40
  4. Step 4: Simplify right side
    1,712.06x = 2,800,389.25
  5. Step 5: Solve for x
    x = 2,800,389.25/1,712.06
  6. Step 6: Final answer
    x = 1,635.68

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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.