Home / 3,280.80-4,526.55-2,022.06

Finding the Fourth Proportional to 3,280.80, 4,526.55 and 2,022.06

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Solution

The fourth proportional to 3,280.80, 4,526.55 and 2,022.06 is: 2,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.80 : 4,526.55 = 2,022.06 : x
  2. Step 2: Convert to fraction form
    3,280.80/4,526.55 = 2,022.06/x
  3. Step 3: Cross multiply
    3,280.80x = 4,526.55 × 2,022.06
  4. Step 4: Simplify right side
    3,280.80x = 9,152,955.69
  5. Step 5: Solve for x
    x = 9,152,955.69/3,280.80
  6. Step 6: Final answer
    x = 2,789.85

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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.