Home / 2,776.17-4,163.21-1,132.16

Finding the Fourth Proportional to 2,776.17, 4,163.21 and 1,132.16

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Solution

The fourth proportional to 2,776.17, 4,163.21 and 1,132.16 is: 1,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.17 : 4,163.21 = 1,132.16 : x
  2. Step 2: Convert to fraction form
    2,776.17/4,163.21 = 1,132.16/x
  3. Step 3: Cross multiply
    2,776.17x = 4,163.21 × 1,132.16
  4. Step 4: Simplify right side
    2,776.17x = 4,713,393.36
  5. Step 5: Solve for x
    x = 4,713,393.36/2,776.17
  6. Step 6: Final answer
    x = 1,697.80

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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.