Home / 3,610.76-4,982.88-2,038.96

Finding the Fourth Proportional to 3,610.76, 4,982.88 and 2,038.96

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Solution

The fourth proportional to 3,610.76, 4,982.88 and 2,038.96 is: 2,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.76 : 4,982.88 = 2,038.96 : x
  2. Step 2: Convert to fraction form
    3,610.76/4,982.88 = 2,038.96/x
  3. Step 3: Cross multiply
    3,610.76x = 4,982.88 × 2,038.96
  4. Step 4: Simplify right side
    3,610.76x = 10,159,893.00
  5. Step 5: Solve for x
    x = 10,159,893.00/3,610.76
  6. Step 6: Final answer
    x = 2,813.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.