Home / 4,156.77-6,235.16-2,772.81

Finding the Fourth Proportional to 4,156.77, 6,235.16 and 2,772.81

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Solution

The fourth proportional to 4,156.77, 6,235.16 and 2,772.81 is: 4,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.77 : 6,235.16 = 2,772.81 : x
  2. Step 2: Convert to fraction form
    4,156.77/6,235.16 = 2,772.81/x
  3. Step 3: Cross multiply
    4,156.77x = 6,235.16 × 2,772.81
  4. Step 4: Simplify right side
    4,156.77x = 17,288,922.22
  5. Step 5: Solve for x
    x = 17,288,922.22/4,156.77
  6. Step 6: Final answer
    x = 4,159.22

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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.