Home / 5,185.01-7,779.81-2,719.24

Finding the Fourth Proportional to 5,185.01, 7,779.81 and 2,719.24

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Solution

The fourth proportional to 5,185.01, 7,779.81 and 2,719.24 is: 4,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.01 : 7,779.81 = 2,719.24 : x
  2. Step 2: Convert to fraction form
    5,185.01/7,779.81 = 2,719.24/x
  3. Step 3: Cross multiply
    5,185.01x = 7,779.81 × 2,719.24
  4. Step 4: Simplify right side
    5,185.01x = 21,155,170.54
  5. Step 5: Solve for x
    x = 21,155,170.54/5,185.01
  6. Step 6: Final answer
    x = 4,080.06

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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.