Home / 5,270.08-7,904.80-1,982.92

Finding the Fourth Proportional to 5,270.08, 7,904.80 and 1,982.92

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Solution

The fourth proportional to 5,270.08, 7,904.80 and 1,982.92 is: 2,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.08 : 7,904.80 = 1,982.92 : x
  2. Step 2: Convert to fraction form
    5,270.08/7,904.80 = 1,982.92/x
  3. Step 3: Cross multiply
    5,270.08x = 7,904.80 × 1,982.92
  4. Step 4: Simplify right side
    5,270.08x = 15,674,586.02
  5. Step 5: Solve for x
    x = 15,674,586.02/5,270.08
  6. Step 6: Final answer
    x = 2,974.26

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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.