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Finding the Fourth Proportional to 5,383.88, 7,430.22 and 3,026.03

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Solution

The fourth proportional to 5,383.88, 7,430.22 and 3,026.03 is: 4,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.88 : 7,430.22 = 3,026.03 : x
  2. Step 2: Convert to fraction form
    5,383.88/7,430.22 = 3,026.03/x
  3. Step 3: Cross multiply
    5,383.88x = 7,430.22 × 3,026.03
  4. Step 4: Simplify right side
    5,383.88x = 22,484,087.20
  5. Step 5: Solve for x
    x = 22,484,087.20/5,383.88
  6. Step 6: Final answer
    x = 4,176.19

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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.