Home / 5,164.75-7,740.97-2,698.91

Finding the Fourth Proportional to 5,164.75, 7,740.97 and 2,698.91

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Solution

The fourth proportional to 5,164.75, 7,740.97 and 2,698.91 is: 4,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.75 : 7,740.97 = 2,698.91 : x
  2. Step 2: Convert to fraction form
    5,164.75/7,740.97 = 2,698.91/x
  3. Step 3: Cross multiply
    5,164.75x = 7,740.97 × 2,698.91
  4. Step 4: Simplify right side
    5,164.75x = 20,892,175.04
  5. Step 5: Solve for x
    x = 20,892,175.04/5,164.75
  6. Step 6: Final answer
    x = 4,045.15

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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.