Home / 2,935.66-4,051.19-1,591.30

Finding the Fourth Proportional to 2,935.66, 4,051.19 and 1,591.30

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Solution

The fourth proportional to 2,935.66, 4,051.19 and 1,591.30 is: 2,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.66 : 4,051.19 = 1,591.30 : x
  2. Step 2: Convert to fraction form
    2,935.66/4,051.19 = 1,591.30/x
  3. Step 3: Cross multiply
    2,935.66x = 4,051.19 × 1,591.30
  4. Step 4: Simplify right side
    2,935.66x = 6,446,658.65
  5. Step 5: Solve for x
    x = 6,446,658.65/2,935.66
  6. Step 6: Final answer
    x = 2,195.99

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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.