Home / 5,698.82-7,864.76-3,180.94

Finding the Fourth Proportional to 5,698.82, 7,864.76 and 3,180.94

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Solution

The fourth proportional to 5,698.82, 7,864.76 and 3,180.94 is: 4,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.82 : 7,864.76 = 3,180.94 : x
  2. Step 2: Convert to fraction form
    5,698.82/7,864.76 = 3,180.94/x
  3. Step 3: Cross multiply
    5,698.82x = 7,864.76 × 3,180.94
  4. Step 4: Simplify right side
    5,698.82x = 25,017,317.96
  5. Step 5: Solve for x
    x = 25,017,317.96/5,698.82
  6. Step 6: Final answer
    x = 4,389.91

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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.