Home / 6,923.80-9,554.44-3,779.36

Finding the Fourth Proportional to 6,923.80, 9,554.44 and 3,779.36

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Solution

The fourth proportional to 6,923.80, 9,554.44 and 3,779.36 is: 5,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.80 : 9,554.44 = 3,779.36 : x
  2. Step 2: Convert to fraction form
    6,923.80/9,554.44 = 3,779.36/x
  3. Step 3: Cross multiply
    6,923.80x = 9,554.44 × 3,779.36
  4. Step 4: Simplify right side
    6,923.80x = 36,109,668.36
  5. Step 5: Solve for x
    x = 36,109,668.36/6,923.80
  6. Step 6: Final answer
    x = 5,215.30

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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.