Home / 4,977.73-6,868.96-2,882.53

Finding the Fourth Proportional to 4,977.73, 6,868.96 and 2,882.53

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Solution

The fourth proportional to 4,977.73, 6,868.96 and 2,882.53 is: 3,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.73 : 6,868.96 = 2,882.53 : x
  2. Step 2: Convert to fraction form
    4,977.73/6,868.96 = 2,882.53/x
  3. Step 3: Cross multiply
    4,977.73x = 6,868.96 × 2,882.53
  4. Step 4: Simplify right side
    4,977.73x = 19,799,983.27
  5. Step 5: Solve for x
    x = 19,799,983.27/4,977.73
  6. Step 6: Final answer
    x = 3,977.71

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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.