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Finding the Fourth Proportional to 5,430.96, 7,495.07 and 3,073.46

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Solution

The fourth proportional to 5,430.96, 7,495.07 and 3,073.46 is: 4,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.96 : 7,495.07 = 3,073.46 : x
  2. Step 2: Convert to fraction form
    5,430.96/7,495.07 = 3,073.46/x
  3. Step 3: Cross multiply
    5,430.96x = 7,495.07 × 3,073.46
  4. Step 4: Simplify right side
    5,430.96x = 23,035,745.00
  5. Step 5: Solve for x
    x = 23,035,745.00/5,430.96
  6. Step 6: Final answer
    x = 4,241.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.