Home / 3,033.59-4,185.95-1,912.55

Finding the Fourth Proportional to 3,033.59, 4,185.95 and 1,912.55

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Solution

The fourth proportional to 3,033.59, 4,185.95 and 1,912.55 is: 2,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.59 : 4,185.95 = 1,912.55 : x
  2. Step 2: Convert to fraction form
    3,033.59/4,185.95 = 1,912.55/x
  3. Step 3: Cross multiply
    3,033.59x = 4,185.95 × 1,912.55
  4. Step 4: Simplify right side
    3,033.59x = 8,005,808.18
  5. Step 5: Solve for x
    x = 8,005,808.18/3,033.59
  6. Step 6: Final answer
    x = 2,639.06

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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.