Home / 4,776.72-7,156.60-4,076.28

Finding the Fourth Proportional to 4,776.72, 7,156.60 and 4,076.28

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Solution

The fourth proportional to 4,776.72, 7,156.60 and 4,076.28 is: 6,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.72 : 7,156.60 = 4,076.28 : x
  2. Step 2: Convert to fraction form
    4,776.72/7,156.60 = 4,076.28/x
  3. Step 3: Cross multiply
    4,776.72x = 7,156.60 × 4,076.28
  4. Step 4: Simplify right side
    4,776.72x = 29,172,305.45
  5. Step 5: Solve for x
    x = 29,172,305.45/4,776.72
  6. Step 6: Final answer
    x = 6,107.18

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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.