Home / 2,623.12-3,934.68-1,798.89

Finding the Fourth Proportional to 2,623.12, 3,934.68 and 1,798.89

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Solution

The fourth proportional to 2,623.12, 3,934.68 and 1,798.89 is: 2,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.12 : 3,934.68 = 1,798.89 : x
  2. Step 2: Convert to fraction form
    2,623.12/3,934.68 = 1,798.89/x
  3. Step 3: Cross multiply
    2,623.12x = 3,934.68 × 1,798.89
  4. Step 4: Simplify right side
    2,623.12x = 7,078,056.51
  5. Step 5: Solve for x
    x = 7,078,056.51/2,623.12
  6. Step 6: Final answer
    x = 2,698.34

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.