Home / 5,265.20-7,892.34-1,975.59

Finding the Fourth Proportional to 5,265.20, 7,892.34 and 1,975.59

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Solution

The fourth proportional to 5,265.20, 7,892.34 and 1,975.59 is: 2,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.20 : 7,892.34 = 1,975.59 : x
  2. Step 2: Convert to fraction form
    5,265.20/7,892.34 = 1,975.59/x
  3. Step 3: Cross multiply
    5,265.20x = 7,892.34 × 1,975.59
  4. Step 4: Simplify right side
    5,265.20x = 15,592,020.57
  5. Step 5: Solve for x
    x = 15,592,020.57/5,265.20
  6. Step 6: Final answer
    x = 2,961.33

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1.5x scale

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.