Home / 3,426.63-4,726.92-2,305.65

Finding the Fourth Proportional to 3,426.63, 4,726.92 and 2,305.65

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Solution

The fourth proportional to 3,426.63, 4,726.92 and 2,305.65 is: 3,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.63 : 4,726.92 = 2,305.65 : x
  2. Step 2: Convert to fraction form
    3,426.63/4,726.92 = 2,305.65/x
  3. Step 3: Cross multiply
    3,426.63x = 4,726.92 × 2,305.65
  4. Step 4: Simplify right side
    3,426.63x = 10,898,623.10
  5. Step 5: Solve for x
    x = 10,898,623.10/3,426.63
  6. Step 6: Final answer
    x = 3,180.57

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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.