Home / 6,520.77-9,776.60-2,076.94

Finding the Fourth Proportional to 6,520.77, 9,776.60 and 2,076.94

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Solution

The fourth proportional to 6,520.77, 9,776.60 and 2,076.94 is: 3,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.77 : 9,776.60 = 2,076.94 : x
  2. Step 2: Convert to fraction form
    6,520.77/9,776.60 = 2,076.94/x
  3. Step 3: Cross multiply
    6,520.77x = 9,776.60 × 2,076.94
  4. Step 4: Simplify right side
    6,520.77x = 20,305,421.23
  5. Step 5: Solve for x
    x = 20,305,421.23/6,520.77
  6. Step 6: Final answer
    x = 3,113.96

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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.