Home / 4,115.89-5,674.48-2,934.91

Finding the Fourth Proportional to 4,115.89, 5,674.48 and 2,934.91

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Solution

The fourth proportional to 4,115.89, 5,674.48 and 2,934.91 is: 4,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.89 : 5,674.48 = 2,934.91 : x
  2. Step 2: Convert to fraction form
    4,115.89/5,674.48 = 2,934.91/x
  3. Step 3: Cross multiply
    4,115.89x = 5,674.48 × 2,934.91
  4. Step 4: Simplify right side
    4,115.89x = 16,654,088.10
  5. Step 5: Solve for x
    x = 16,654,088.10/4,115.89
  6. Step 6: Final answer
    x = 4,046.29

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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.