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Finding the Fourth Proportional to 5,786.93, 7,985.99 and 3,134.34

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Solution

The fourth proportional to 5,786.93, 7,985.99 and 3,134.34 is: 4,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.93 : 7,985.99 = 3,134.34 : x
  2. Step 2: Convert to fraction form
    5,786.93/7,985.99 = 3,134.34/x
  3. Step 3: Cross multiply
    5,786.93x = 7,985.99 × 3,134.34
  4. Step 4: Simplify right side
    5,786.93x = 25,030,792.22
  5. Step 5: Solve for x
    x = 25,030,792.22/5,786.93
  6. Step 6: Final answer
    x = 4,325.40

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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.