Home / 3,196.11-4,410.60-1,779.78

Finding the Fourth Proportional to 3,196.11, 4,410.60 and 1,779.78

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Solution

The fourth proportional to 3,196.11, 4,410.60 and 1,779.78 is: 2,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.11 : 4,410.60 = 1,779.78 : x
  2. Step 2: Convert to fraction form
    3,196.11/4,410.60 = 1,779.78/x
  3. Step 3: Cross multiply
    3,196.11x = 4,410.60 × 1,779.78
  4. Step 4: Simplify right side
    3,196.11x = 7,849,897.67
  5. Step 5: Solve for x
    x = 7,849,897.67/3,196.11
  6. Step 6: Final answer
    x = 2,456.08

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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.