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Finding the Fourth Proportional to 5,777.08, 7,971.69 and 3,259.05

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Solution

The fourth proportional to 5,777.08, 7,971.69 and 3,259.05 is: 4,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.08 : 7,971.69 = 3,259.05 : x
  2. Step 2: Convert to fraction form
    5,777.08/7,971.69 = 3,259.05/x
  3. Step 3: Cross multiply
    5,777.08x = 7,971.69 × 3,259.05
  4. Step 4: Simplify right side
    5,777.08x = 25,980,120.67
  5. Step 5: Solve for x
    x = 25,980,120.67/5,777.08
  6. Step 6: Final answer
    x = 4,497.10

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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.