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Finding the Fourth Proportional to 5,789.90, 7,987.02 and 3,552.26

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Solution

The fourth proportional to 5,789.90, 7,987.02 and 3,552.26 is: 4,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.90 : 7,987.02 = 3,552.26 : x
  2. Step 2: Convert to fraction form
    5,789.90/7,987.02 = 3,552.26/x
  3. Step 3: Cross multiply
    5,789.90x = 7,987.02 × 3,552.26
  4. Step 4: Simplify right side
    5,789.90x = 28,371,971.67
  5. Step 5: Solve for x
    x = 28,371,971.67/5,789.90
  6. Step 6: Final answer
    x = 4,900.25

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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.