Home / 6,923.70-9,554.90-3,780.09

Finding the Fourth Proportional to 6,923.70, 9,554.90 and 3,780.09

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Solution

The fourth proportional to 6,923.70, 9,554.90 and 3,780.09 is: 5,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.70 : 9,554.90 = 3,780.09 : x
  2. Step 2: Convert to fraction form
    6,923.70/9,554.90 = 3,780.09/x
  3. Step 3: Cross multiply
    6,923.70x = 9,554.90 × 3,780.09
  4. Step 4: Simplify right side
    6,923.70x = 36,118,315.27
  5. Step 5: Solve for x
    x = 36,118,315.27/6,923.70
  6. Step 6: Final answer
    x = 5,216.62

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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.