Home / 1,951.90-2,694.23-1,606.30

Finding the Fourth Proportional to 1,951.90, 2,694.23 and 1,606.30

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Solution

The fourth proportional to 1,951.90, 2,694.23 and 1,606.30 is: 2,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.90 : 2,694.23 = 1,606.30 : x
  2. Step 2: Convert to fraction form
    1,951.90/2,694.23 = 1,606.30/x
  3. Step 3: Cross multiply
    1,951.90x = 2,694.23 × 1,606.30
  4. Step 4: Simplify right side
    1,951.90x = 4,327,741.65
  5. Step 5: Solve for x
    x = 4,327,741.65/1,951.90
  6. Step 6: Final answer
    x = 2,217.19

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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.