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Finding the Fourth Proportional to 5,774.10, 8,661.15 and 2,076.45

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Solution

The fourth proportional to 5,774.10, 8,661.15 and 2,076.45 is: 3,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.10 : 8,661.15 = 2,076.45 : x
  2. Step 2: Convert to fraction form
    5,774.10/8,661.15 = 2,076.45/x
  3. Step 3: Cross multiply
    5,774.10x = 8,661.15 × 2,076.45
  4. Step 4: Simplify right side
    5,774.10x = 17,984,444.92
  5. Step 5: Solve for x
    x = 17,984,444.92/5,774.10
  6. Step 6: Final answer
    x = 3,114.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.