Home / 5,185.21-7,779.03-4,410.52

Finding the Fourth Proportional to 5,185.21, 7,779.03 and 4,410.52

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Solution

The fourth proportional to 5,185.21, 7,779.03 and 4,410.52 is: 6,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.21 : 7,779.03 = 4,410.52 : x
  2. Step 2: Convert to fraction form
    5,185.21/7,779.03 = 4,410.52/x
  3. Step 3: Cross multiply
    5,185.21x = 7,779.03 × 4,410.52
  4. Step 4: Simplify right side
    5,185.21x = 34,309,567.40
  5. Step 5: Solve for x
    x = 34,309,567.40/5,185.21
  6. Step 6: Final answer
    x = 6,616.81

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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.