Home / 3,959.46-5,463.94-2,281.54

Finding the Fourth Proportional to 3,959.46, 5,463.94 and 2,281.54

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Solution

The fourth proportional to 3,959.46, 5,463.94 and 2,281.54 is: 3,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.46 : 5,463.94 = 2,281.54 : x
  2. Step 2: Convert to fraction form
    3,959.46/5,463.94 = 2,281.54/x
  3. Step 3: Cross multiply
    3,959.46x = 5,463.94 × 2,281.54
  4. Step 4: Simplify right side
    3,959.46x = 12,466,197.67
  5. Step 5: Solve for x
    x = 12,466,197.67/3,959.46
  6. Step 6: Final answer
    x = 3,148.46

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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.