Home / 3,463.11-4,778.46-1,970.94

Finding the Fourth Proportional to 3,463.11, 4,778.46 and 1,970.94

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Solution

The fourth proportional to 3,463.11, 4,778.46 and 1,970.94 is: 2,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.11 : 4,778.46 = 1,970.94 : x
  2. Step 2: Convert to fraction form
    3,463.11/4,778.46 = 1,970.94/x
  3. Step 3: Cross multiply
    3,463.11x = 4,778.46 × 1,970.94
  4. Step 4: Simplify right side
    3,463.11x = 9,418,057.95
  5. Step 5: Solve for x
    x = 9,418,057.95/3,463.11
  6. Step 6: Final answer
    x = 2,719.54

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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.