Home / 5,703.11-8,557.39-2,779.82

Finding the Fourth Proportional to 5,703.11, 8,557.39 and 2,779.82

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Solution

The fourth proportional to 5,703.11, 8,557.39 and 2,779.82 is: 4,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.11 : 8,557.39 = 2,779.82 : x
  2. Step 2: Convert to fraction form
    5,703.11/8,557.39 = 2,779.82/x
  3. Step 3: Cross multiply
    5,703.11x = 8,557.39 × 2,779.82
  4. Step 4: Simplify right side
    5,703.11x = 23,787,961.08
  5. Step 5: Solve for x
    x = 23,787,961.08/5,703.11
  6. Step 6: Final answer
    x = 4,171.05

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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.