Home / 1,335.44-2,005.08-1,047.92

Finding the Fourth Proportional to 1,335.44, 2,005.08 and 1,047.92

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Solution

The fourth proportional to 1,335.44, 2,005.08 and 1,047.92 is: 1,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.44 : 2,005.08 = 1,047.92 : x
  2. Step 2: Convert to fraction form
    1,335.44/2,005.08 = 1,047.92/x
  3. Step 3: Cross multiply
    1,335.44x = 2,005.08 × 1,047.92
  4. Step 4: Simplify right side
    1,335.44x = 2,101,163.43
  5. Step 5: Solve for x
    x = 2,101,163.43/1,335.44
  6. Step 6: Final answer
    x = 1,573.39

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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.