Home / 3,750.75-5,176.04-2,179.76

Finding the Fourth Proportional to 3,750.75, 5,176.04 and 2,179.76

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Solution

The fourth proportional to 3,750.75, 5,176.04 and 2,179.76 is: 3,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.75 : 5,176.04 = 2,179.76 : x
  2. Step 2: Convert to fraction form
    3,750.75/5,176.04 = 2,179.76/x
  3. Step 3: Cross multiply
    3,750.75x = 5,176.04 × 2,179.76
  4. Step 4: Simplify right side
    3,750.75x = 11,282,524.95
  5. Step 5: Solve for x
    x = 11,282,524.95/3,750.75
  6. Step 6: Final answer
    x = 3,008.07

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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.