Home / 4,076.16-5,616.76-3,855.60

Finding the Fourth Proportional to 4,076.16, 5,616.76 and 3,855.60

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Solution

The fourth proportional to 4,076.16, 5,616.76 and 3,855.60 is: 5,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.16 : 5,616.76 = 3,855.60 : x
  2. Step 2: Convert to fraction form
    4,076.16/5,616.76 = 3,855.60/x
  3. Step 3: Cross multiply
    4,076.16x = 5,616.76 × 3,855.60
  4. Step 4: Simplify right side
    4,076.16x = 21,655,977.45
  5. Step 5: Solve for x
    x = 21,655,977.45/4,076.16
  6. Step 6: Final answer
    x = 5,312.84

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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.