Home / 5,072.60-7,610.46-2,406.25

Finding the Fourth Proportional to 5,072.60, 7,610.46 and 2,406.25

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Solution

The fourth proportional to 5,072.60, 7,610.46 and 2,406.25 is: 3,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.60 : 7,610.46 = 2,406.25 : x
  2. Step 2: Convert to fraction form
    5,072.60/7,610.46 = 2,406.25/x
  3. Step 3: Cross multiply
    5,072.60x = 7,610.46 × 2,406.25
  4. Step 4: Simplify right side
    5,072.60x = 18,312,669.86
  5. Step 5: Solve for x
    x = 18,312,669.86/5,072.60
  6. Step 6: Final answer
    x = 3,610.11

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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.