Home / 6,923.58-9,554.28-3,779.78

Finding the Fourth Proportional to 6,923.58, 9,554.28 and 3,779.78

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Solution

The fourth proportional to 6,923.58, 9,554.28 and 3,779.78 is: 5,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.58 : 9,554.28 = 3,779.78 : x
  2. Step 2: Convert to fraction form
    6,923.58/9,554.28 = 3,779.78/x
  3. Step 3: Cross multiply
    6,923.58x = 9,554.28 × 3,779.78
  4. Step 4: Simplify right side
    6,923.58x = 36,113,076.46
  5. Step 5: Solve for x
    x = 36,113,076.46/6,923.58
  6. Step 6: Final answer
    x = 5,215.95

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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.