Home / 4,767.80-6,581.86-3,177.09

Finding the Fourth Proportional to 4,767.80, 6,581.86 and 3,177.09

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Solution

The fourth proportional to 4,767.80, 6,581.86 and 3,177.09 is: 4,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.80 : 6,581.86 = 3,177.09 : x
  2. Step 2: Convert to fraction form
    4,767.80/6,581.86 = 3,177.09/x
  3. Step 3: Cross multiply
    4,767.80x = 6,581.86 × 3,177.09
  4. Step 4: Simplify right side
    4,767.80x = 20,911,153.64
  5. Step 5: Solve for x
    x = 20,911,153.64/4,767.80
  6. Step 6: Final answer
    x = 4,385.92

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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.