Home / 4,775.73-7,191.63-4,166.70

Finding the Fourth Proportional to 4,775.73, 7,191.63 and 4,166.70

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Solution

The fourth proportional to 4,775.73, 7,191.63 and 4,166.70 is: 6,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.73 : 7,191.63 = 4,166.70 : x
  2. Step 2: Convert to fraction form
    4,775.73/7,191.63 = 4,166.70/x
  3. Step 3: Cross multiply
    4,775.73x = 7,191.63 × 4,166.70
  4. Step 4: Simplify right side
    4,775.73x = 29,965,364.72
  5. Step 5: Solve for x
    x = 29,965,364.72/4,775.73
  6. Step 6: Final answer
    x = 6,274.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.