Home / 5,790.69-8,687.66-2,278.53

Finding the Fourth Proportional to 5,790.69, 8,687.66 and 2,278.53

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Solution

The fourth proportional to 5,790.69, 8,687.66 and 2,278.53 is: 3,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.69 : 8,687.66 = 2,278.53 : x
  2. Step 2: Convert to fraction form
    5,790.69/8,687.66 = 2,278.53/x
  3. Step 3: Cross multiply
    5,790.69x = 8,687.66 × 2,278.53
  4. Step 4: Simplify right side
    5,790.69x = 19,795,082.55
  5. Step 5: Solve for x
    x = 19,795,082.55/5,790.69
  6. Step 6: Final answer
    x = 3,418.43

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1.5x scale

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.