Home / 3,082.85-4,254.15-1,756.54

Finding the Fourth Proportional to 3,082.85, 4,254.15 and 1,756.54

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Solution

The fourth proportional to 3,082.85, 4,254.15 and 1,756.54 is: 2,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.85 : 4,254.15 = 1,756.54 : x
  2. Step 2: Convert to fraction form
    3,082.85/4,254.15 = 1,756.54/x
  3. Step 3: Cross multiply
    3,082.85x = 4,254.15 × 1,756.54
  4. Step 4: Simplify right side
    3,082.85x = 7,472,584.64
  5. Step 5: Solve for x
    x = 7,472,584.64/3,082.85
  6. Step 6: Final answer
    x = 2,423.92

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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.