Home / 4,776.80-7,156.73-4,076.36

Finding the Fourth Proportional to 4,776.80, 7,156.73 and 4,076.36

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Solution

The fourth proportional to 4,776.80, 7,156.73 and 4,076.36 is: 6,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.80 : 7,156.73 = 4,076.36 : x
  2. Step 2: Convert to fraction form
    4,776.80/7,156.73 = 4,076.36/x
  3. Step 3: Cross multiply
    4,776.80x = 7,156.73 × 4,076.36
  4. Step 4: Simplify right side
    4,776.80x = 29,173,407.90
  5. Step 5: Solve for x
    x = 29,173,407.90/4,776.80
  6. Step 6: Final answer
    x = 6,107.31

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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.