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Finding the Fourth Proportional to 5,301.85, 7,952.92 and 1,406.25

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Solution

The fourth proportional to 5,301.85, 7,952.92 and 1,406.25 is: 2,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.85 : 7,952.92 = 1,406.25 : x
  2. Step 2: Convert to fraction form
    5,301.85/7,952.92 = 1,406.25/x
  3. Step 3: Cross multiply
    5,301.85x = 7,952.92 × 1,406.25
  4. Step 4: Simplify right side
    5,301.85x = 11,183,793.75
  5. Step 5: Solve for x
    x = 11,183,793.75/5,301.85
  6. Step 6: Final answer
    x = 2,109.41

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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.