Home / 5,231.60-7,849.01-2,458.16

Finding the Fourth Proportional to 5,231.60, 7,849.01 and 2,458.16

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Solution

The fourth proportional to 5,231.60, 7,849.01 and 2,458.16 is: 3,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.60 : 7,849.01 = 2,458.16 : x
  2. Step 2: Convert to fraction form
    5,231.60/7,849.01 = 2,458.16/x
  3. Step 3: Cross multiply
    5,231.60x = 7,849.01 × 2,458.16
  4. Step 4: Simplify right side
    5,231.60x = 19,294,089.32
  5. Step 5: Solve for x
    x = 19,294,089.32/5,231.60
  6. Step 6: Final answer
    x = 3,687.99

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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.