Home / 6,923.91-9,554.63-3,779.49

Finding the Fourth Proportional to 6,923.91, 9,554.63 and 3,779.49

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Solution

The fourth proportional to 6,923.91, 9,554.63 and 3,779.49 is: 5,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.91 : 9,554.63 = 3,779.49 : x
  2. Step 2: Convert to fraction form
    6,923.91/9,554.63 = 3,779.49/x
  3. Step 3: Cross multiply
    6,923.91x = 9,554.63 × 3,779.49
  4. Step 4: Simplify right side
    6,923.91x = 36,111,580.77
  5. Step 5: Solve for x
    x = 36,111,580.77/6,923.91
  6. Step 6: Final answer
    x = 5,215.49

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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.