Home / 2,946.11-4,065.60-1,601.71

Finding the Fourth Proportional to 2,946.11, 4,065.60 and 1,601.71

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Solution

The fourth proportional to 2,946.11, 4,065.60 and 1,601.71 is: 2,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.11 : 4,065.60 = 1,601.71 : x
  2. Step 2: Convert to fraction form
    2,946.11/4,065.60 = 1,601.71/x
  3. Step 3: Cross multiply
    2,946.11x = 4,065.60 × 1,601.71
  4. Step 4: Simplify right side
    2,946.11x = 6,511,912.18
  5. Step 5: Solve for x
    x = 6,511,912.18/2,946.11
  6. Step 6: Final answer
    x = 2,210.34

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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.