Home / 6,917.95-9,546.73-3,933.79

Finding the Fourth Proportional to 6,917.95, 9,546.73 and 3,933.79

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Solution

The fourth proportional to 6,917.95, 9,546.73 and 3,933.79 is: 5,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.95 : 9,546.73 = 3,933.79 : x
  2. Step 2: Convert to fraction form
    6,917.95/9,546.73 = 3,933.79/x
  3. Step 3: Cross multiply
    6,917.95x = 9,546.73 × 3,933.79
  4. Step 4: Simplify right side
    6,917.95x = 37,554,828.91
  5. Step 5: Solve for x
    x = 37,554,828.91/6,917.95
  6. Step 6: Final answer
    x = 5,428.60

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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.