Home / 4,083.12-5,632.20-3,560.40

Finding the Fourth Proportional to 4,083.12, 5,632.20 and 3,560.40

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Solution

The fourth proportional to 4,083.12, 5,632.20 and 3,560.40 is: 4,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.12 : 5,632.20 = 3,560.40 : x
  2. Step 2: Convert to fraction form
    4,083.12/5,632.20 = 3,560.40/x
  3. Step 3: Cross multiply
    4,083.12x = 5,632.20 × 3,560.40
  4. Step 4: Simplify right side
    4,083.12x = 20,052,884.88
  5. Step 5: Solve for x
    x = 20,052,884.88/4,083.12
  6. Step 6: Final answer
    x = 4,911.17

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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.